Home / 31,857,496.40-47,796,363.12-13,423,185.92

Finding the Fourth Proportional to 31,857,496.40, 47,796,363.12 and 13,423,185.92

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Solution

The fourth proportional to 31,857,496.40, 47,796,363.12 and 13,423,185.92 is: 20,139,042.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,857,496.40 : 47,796,363.12 = 13,423,185.92 : x
  2. Step 2: Convert to fraction form
    31,857,496.40/47,796,363.12 = 13,423,185.92/x
  3. Step 3: Cross multiply
    31,857,496.40x = 47,796,363.12 × 13,423,185.92
  4. Step 4: Simplify right side
    31,857,496.40x = 641,579,468,459,591.25
  5. Step 5: Solve for x
    x = 641,579,468,459,591.25/31,857,496.40
  6. Step 6: Final answer
    x = 20,139,042.33

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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.