Home / 15,784,093.76-21,785,689.33-9,259,819.16

Finding the Fourth Proportional to 15,784,093.76, 21,785,689.33 and 9,259,819.16

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Solution

The fourth proportional to 15,784,093.76, 21,785,689.33 and 9,259,819.16 is: 12,780,685.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,784,093.76 : 21,785,689.33 = 9,259,819.16 : x
  2. Step 2: Convert to fraction form
    15,784,093.76/21,785,689.33 = 9,259,819.16/x
  3. Step 3: Cross multiply
    15,784,093.76x = 21,785,689.33 × 9,259,819.16
  4. Step 4: Simplify right side
    15,784,093.76x = 201,731,543,339,663.56
  5. Step 5: Solve for x
    x = 201,731,543,339,663.56/15,784,093.76
  6. Step 6: Final answer
    x = 12,780,685.83

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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.