Home / 31,109,938.61-42,925,306.07-17,876,558.54

Finding the Fourth Proportional to 31,109,938.61, 42,925,306.07 and 17,876,558.54

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Solution

The fourth proportional to 31,109,938.61, 42,925,306.07 and 17,876,558.54 is: 24,665,967.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,109,938.61 : 42,925,306.07 = 17,876,558.54 : x
  2. Step 2: Convert to fraction form
    31,109,938.61/42,925,306.07 = 17,876,558.54/x
  3. Step 3: Cross multiply
    31,109,938.61x = 42,925,306.07 × 17,876,558.54
  4. Step 4: Simplify right side
    31,109,938.61x = 767,356,746,825,702.75
  5. Step 5: Solve for x
    x = 767,356,746,825,702.75/31,109,938.61
  6. Step 6: Final answer
    x = 24,665,967.89

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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.