Home / 20,227,800.60-30,341,700.90-13,425,355.80

Finding the Fourth Proportional to 20,227,800.60, 30,341,700.90 and 13,425,355.80

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Solution

The fourth proportional to 20,227,800.60, 30,341,700.90 and 13,425,355.80 is: 20,138,033.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,227,800.60 : 30,341,700.90 = 13,425,355.80 : x
  2. Step 2: Convert to fraction form
    20,227,800.60/30,341,700.90 = 13,425,355.80/x
  3. Step 3: Cross multiply
    20,227,800.60x = 30,341,700.90 × 13,425,355.80
  4. Step 4: Simplify right side
    20,227,800.60x = 407,348,130,159,680.25
  5. Step 5: Solve for x
    x = 407,348,130,159,680.25/20,227,800.60
  6. Step 6: Final answer
    x = 20,138,033.70

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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.