Home / 13,601,326.90-20,401,990.35-11,829,856.90

Finding the Fourth Proportional to 13,601,326.90, 20,401,990.35 and 11,829,856.90

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Solution

The fourth proportional to 13,601,326.90, 20,401,990.35 and 11,829,856.90 is: 17,744,785.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,601,326.90 : 20,401,990.35 = 11,829,856.90 : x
  2. Step 2: Convert to fraction form
    13,601,326.90/20,401,990.35 = 11,829,856.90/x
  3. Step 3: Cross multiply
    13,601,326.90x = 20,401,990.35 × 11,829,856.90
  4. Step 4: Simplify right side
    13,601,326.90x = 241,352,626,315,680.94
  5. Step 5: Solve for x
    x = 241,352,626,315,680.94/13,601,326.90
  6. Step 6: Final answer
    x = 17,744,785.35

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.