Home / 13,480,200.45-20,220,300.68-10,291,554.45

Finding the Fourth Proportional to 13,480,200.45, 20,220,300.68 and 10,291,554.45

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Solution

The fourth proportional to 13,480,200.45, 20,220,300.68 and 10,291,554.45 is: 15,437,331.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,480,200.45 : 20,220,300.68 = 10,291,554.45 : x
  2. Step 2: Convert to fraction form
    13,480,200.45/20,220,300.68 = 10,291,554.45/x
  3. Step 3: Cross multiply
    13,480,200.45x = 20,220,300.68 × 10,291,554.45
  4. Step 4: Simplify right side
    13,480,200.45x = 208,098,325,392,134.25
  5. Step 5: Solve for x
    x = 208,098,325,392,134.25/13,480,200.45
  6. Step 6: Final answer
    x = 15,437,331.68

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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.