Home / 14,092,005.70-21,138,008.55-5,115,391.30

Finding the Fourth Proportional to 14,092,005.70, 21,138,008.55 and 5,115,391.30

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Solution

The fourth proportional to 14,092,005.70, 21,138,008.55 and 5,115,391.30 is: 7,673,086.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,092,005.70 : 21,138,008.55 = 5,115,391.30 : x
  2. Step 2: Convert to fraction form
    14,092,005.70/21,138,008.55 = 5,115,391.30/x
  3. Step 3: Cross multiply
    14,092,005.70x = 21,138,008.55 × 5,115,391.30
  4. Step 4: Simplify right side
    14,092,005.70x = 108,129,185,035,995.61
  5. Step 5: Solve for x
    x = 108,129,185,035,995.61/14,092,005.70
  6. Step 6: Final answer
    x = 7,673,086.95

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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.