Home / 31,094,178.30-42,910,115.18-17,155,532.70

Finding the Fourth Proportional to 31,094,178.30, 42,910,115.18 and 17,155,532.70

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Solution

The fourth proportional to 31,094,178.30, 42,910,115.18 and 17,155,532.70 is: 23,674,717.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,094,178.30 : 42,910,115.18 = 17,155,532.70 : x
  2. Step 2: Convert to fraction form
    31,094,178.30/42,910,115.18 = 17,155,532.70/x
  3. Step 3: Cross multiply
    31,094,178.30x = 42,910,115.18 × 17,155,532.70
  4. Step 4: Simplify right side
    31,094,178.30x = 736,145,884,045,478.62
  5. Step 5: Solve for x
    x = 736,145,884,045,478.62/31,094,178.30
  6. Step 6: Final answer
    x = 23,674,717.40

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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.