Home / 27,887,003.06-38,484,997.68-15,497,618.72

Finding the Fourth Proportional to 27,887,003.06, 38,484,997.68 and 15,497,618.72

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Solution

The fourth proportional to 27,887,003.06, 38,484,997.68 and 15,497,618.72 is: 21,387,232.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,887,003.06 : 38,484,997.68 = 15,497,618.72 : x
  2. Step 2: Convert to fraction form
    27,887,003.06/38,484,997.68 = 15,497,618.72/x
  3. Step 3: Cross multiply
    27,887,003.06x = 38,484,997.68 × 15,497,618.72
  4. Step 4: Simplify right side
    27,887,003.06x = 596,425,820,484,724.62
  5. Step 5: Solve for x
    x = 596,425,820,484,724.62/27,887,003.06
  6. Step 6: Final answer
    x = 21,387,232.58

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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.