Home / 20,224,812.80-30,337,219.20-11,700,761.60

Finding the Fourth Proportional to 20,224,812.80, 30,337,219.20 and 11,700,761.60

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Solution

The fourth proportional to 20,224,812.80, 30,337,219.20 and 11,700,761.60 is: 17,551,142.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,224,812.80 : 30,337,219.20 = 11,700,761.60 : x
  2. Step 2: Convert to fraction form
    20,224,812.80/30,337,219.20 = 11,700,761.60/x
  3. Step 3: Cross multiply
    20,224,812.80x = 30,337,219.20 × 11,700,761.60
  4. Step 4: Simplify right side
    20,224,812.80x = 354,968,569,466,142.69
  5. Step 5: Solve for x
    x = 354,968,569,466,142.69/20,224,812.80
  6. Step 6: Final answer
    x = 17,551,142.40

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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.