Home / 15,372,490.76-21,211,869.96-8,757,253.16

Finding the Fourth Proportional to 15,372,490.76, 21,211,869.96 and 8,757,253.16

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Solution

The fourth proportional to 15,372,490.76, 21,211,869.96 and 8,757,253.16 is: 12,083,774.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,372,490.76 : 21,211,869.96 = 8,757,253.16 : x
  2. Step 2: Convert to fraction form
    15,372,490.76/21,211,869.96 = 8,757,253.16/x
  3. Step 3: Cross multiply
    15,372,490.76x = 21,211,869.96 × 8,757,253.16
  4. Step 4: Simplify right side
    15,372,490.76x = 185,757,715,236,719.09
  5. Step 5: Solve for x
    x = 185,757,715,236,719.09/15,372,490.76
  6. Step 6: Final answer
    x = 12,083,774.72

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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.