Home / 34,151,731.20-47,129,762.94-18,681,816

Finding the Fourth Proportional to 34,151,731.20, 47,129,762.94 and 18,681,816

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Solution

The fourth proportional to 34,151,731.20, 47,129,762.94 and 18,681,816 is: 25,781,110.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,151,731.20 : 47,129,762.94 = 18,681,816 : x
  2. Step 2: Convert to fraction form
    34,151,731.20/47,129,762.94 = 18,681,816/x
  3. Step 3: Cross multiply
    34,151,731.20x = 47,129,762.94 × 18,681,816
  4. Step 4: Simplify right side
    34,151,731.20x = 880,469,559,368,699
  5. Step 5: Solve for x
    x = 880,469,559,368,699/34,151,731.20
  6. Step 6: Final answer
    x = 25,781,110.60

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.