Home / 28,156,810.14-38,856,398.31-15,279,754.14

Finding the Fourth Proportional to 28,156,810.14, 38,856,398.31 and 15,279,754.14

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Solution

The fourth proportional to 28,156,810.14, 38,856,398.31 and 15,279,754.14 is: 21,086,060.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,156,810.14 : 38,856,398.31 = 15,279,754.14 : x
  2. Step 2: Convert to fraction form
    28,156,810.14/38,856,398.31 = 15,279,754.14/x
  3. Step 3: Cross multiply
    28,156,810.14x = 38,856,398.31 × 15,279,754.14
  4. Step 4: Simplify right side
    28,156,810.14x = 593,716,212,942,711.62
  5. Step 5: Solve for x
    x = 593,716,212,942,711.62/28,156,810.14
  6. Step 6: Final answer
    x = 21,086,060.89

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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.