Home / 9,240,751.20-12,747,117.20-5,372,844.86

Finding the Fourth Proportional to 9,240,751.20, 12,747,117.20 and 5,372,844.86

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Solution

The fourth proportional to 9,240,751.20, 12,747,117.20 and 5,372,844.86 is: 7,411,549.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,240,751.20 : 12,747,117.20 = 5,372,844.86 : x
  2. Step 2: Convert to fraction form
    9,240,751.20/12,747,117.20 = 5,372,844.86/x
  3. Step 3: Cross multiply
    9,240,751.20x = 12,747,117.20 × 5,372,844.86
  4. Step 4: Simplify right side
    9,240,751.20x = 68,488,283,127,837.59
  5. Step 5: Solve for x
    x = 68,488,283,127,837.59/9,240,751.20
  6. Step 6: Final answer
    x = 7,411,549.30

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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.