Home / 31,439,573.70-43,386,167.28-17,688,505.02

Finding the Fourth Proportional to 31,439,573.70, 43,386,167.28 and 17,688,505.02

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Solution

The fourth proportional to 31,439,573.70, 43,386,167.28 and 17,688,505.02 is: 24,409,886.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,439,573.70 : 43,386,167.28 = 17,688,505.02 : x
  2. Step 2: Convert to fraction form
    31,439,573.70/43,386,167.28 = 17,688,505.02/x
  3. Step 3: Cross multiply
    31,439,573.70x = 43,386,167.28 × 17,688,505.02
  4. Step 4: Simplify right side
    31,439,573.70x = 767,436,437,730,839.75
  5. Step 5: Solve for x
    x = 767,436,437,730,839.75/31,439,573.70
  6. Step 6: Final answer
    x = 24,409,886.89

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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.