Home / 13,476,820.60-20,215,230.90-13,122,526.60

Finding the Fourth Proportional to 13,476,820.60, 20,215,230.90 and 13,122,526.60

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Solution

The fourth proportional to 13,476,820.60, 20,215,230.90 and 13,122,526.60 is: 19,683,789.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,476,820.60 : 20,215,230.90 = 13,122,526.60 : x
  2. Step 2: Convert to fraction form
    13,476,820.60/20,215,230.90 = 13,122,526.60/x
  3. Step 3: Cross multiply
    13,476,820.60x = 20,215,230.90 × 13,122,526.60
  4. Step 4: Simplify right side
    13,476,820.60x = 265,274,905,210,391.91
  5. Step 5: Solve for x
    x = 265,274,905,210,391.91/13,476,820.60
  6. Step 6: Final answer
    x = 19,683,789.90

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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.