Home / 19,932,446.70-29,880,007.65-15,612,101.10

Finding the Fourth Proportional to 19,932,446.70, 29,880,007.65 and 15,612,101.10

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Solution

The fourth proportional to 19,932,446.70, 29,880,007.65 and 15,612,101.10 is: 23,403,534.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,932,446.70 : 29,880,007.65 = 15,612,101.10 : x
  2. Step 2: Convert to fraction form
    19,932,446.70/29,880,007.65 = 15,612,101.10/x
  3. Step 3: Cross multiply
    19,932,446.70x = 29,880,007.65 × 15,612,101.10
  4. Step 4: Simplify right side
    19,932,446.70x = 466,489,700,300,573.38
  5. Step 5: Solve for x
    x = 466,489,700,300,573.38/19,932,446.70
  6. Step 6: Final answer
    x = 23,403,534.31

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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.