Home / 42,581,738.40-63,872,607.60-15,651,895.20

Finding the Fourth Proportional to 42,581,738.40, 63,872,607.60 and 15,651,895.20

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Solution

The fourth proportional to 42,581,738.40, 63,872,607.60 and 15,651,895.20 is: 23,477,842.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,581,738.40 : 63,872,607.60 = 15,651,895.20 : x
  2. Step 2: Convert to fraction form
    42,581,738.40/63,872,607.60 = 15,651,895.20/x
  3. Step 3: Cross multiply
    42,581,738.40x = 63,872,607.60 × 15,651,895.20
  4. Step 4: Simplify right side
    42,581,738.40x = 999,727,360,305,923.50
  5. Step 5: Solve for x
    x = 999,727,360,305,923.50/42,581,738.40
  6. Step 6: Final answer
    x = 23,477,842.80

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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.