Home / 42,646,541.70-63,969,812.55-15,357,046.35

Finding the Fourth Proportional to 42,646,541.70, 63,969,812.55 and 15,357,046.35

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Solution

The fourth proportional to 42,646,541.70, 63,969,812.55 and 15,357,046.35 is: 23,035,569.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,646,541.70 : 63,969,812.55 = 15,357,046.35 : x
  2. Step 2: Convert to fraction form
    42,646,541.70/63,969,812.55 = 15,357,046.35/x
  3. Step 3: Cross multiply
    42,646,541.70x = 63,969,812.55 × 15,357,046.35
  4. Step 4: Simplify right side
    42,646,541.70x = 982,387,376,331,161.62
  5. Step 5: Solve for x
    x = 982,387,376,331,161.62/42,646,541.70
  6. Step 6: Final answer
    x = 23,035,569.53

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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.