Home / 13,372,962.26-18,454,687.90-7,261,390.76

Finding the Fourth Proportional to 13,372,962.26, 18,454,687.90 and 7,261,390.76

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Solution

The fourth proportional to 13,372,962.26, 18,454,687.90 and 7,261,390.76 is: 10,020,719.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,372,962.26 : 18,454,687.90 = 7,261,390.76 : x
  2. Step 2: Convert to fraction form
    13,372,962.26/18,454,687.90 = 7,261,390.76/x
  3. Step 3: Cross multiply
    13,372,962.26x = 18,454,687.90 × 7,261,390.76
  4. Step 4: Simplify right side
    13,372,962.26x = 134,006,700,195,743.78
  5. Step 5: Solve for x
    x = 134,006,700,195,743.78/13,372,962.26
  6. Step 6: Final answer
    x = 10,020,719.24

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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.