Home / 10,863,494-15,004,884.45-8,122,337.93

Finding the Fourth Proportional to 10,863,494, 15,004,884.45 and 8,122,337.93

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Solution

The fourth proportional to 10,863,494, 15,004,884.45 and 8,122,337.93 is: 11,218,742.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,863,494 : 15,004,884.45 = 8,122,337.93 : x
  2. Step 2: Convert to fraction form
    10,863,494/15,004,884.45 = 8,122,337.93/x
  3. Step 3: Cross multiply
    10,863,494x = 15,004,884.45 × 8,122,337.93
  4. Step 4: Simplify right side
    10,863,494x = 121,874,742,103,502.17
  5. Step 5: Solve for x
    x = 121,874,742,103,502.17/10,863,494
  6. Step 6: Final answer
    x = 11,218,742.52

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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.