Home / 22,815,208.76-31,484,988.12-13,157,416.76

Finding the Fourth Proportional to 22,815,208.76, 31,484,988.12 and 13,157,416.76

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Solution

The fourth proportional to 22,815,208.76, 31,484,988.12 and 13,157,416.76 is: 18,157,235.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,815,208.76 : 31,484,988.12 = 13,157,416.76 : x
  2. Step 2: Convert to fraction form
    22,815,208.76/31,484,988.12 = 13,157,416.76/x
  3. Step 3: Cross multiply
    22,815,208.76x = 31,484,988.12 × 13,157,416.76
  4. Step 4: Simplify right side
    22,815,208.76x = 414,261,110,378,488.88
  5. Step 5: Solve for x
    x = 414,261,110,378,488.88/22,815,208.76
  6. Step 6: Final answer
    x = 18,157,235.15

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Double scale
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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.