Home / 9,240,722.28-12,747,077.10-5,372,815.86

Finding the Fourth Proportional to 9,240,722.28, 12,747,077.10 and 5,372,815.86

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Solution

The fourth proportional to 9,240,722.28, 12,747,077.10 and 5,372,815.86 is: 7,411,509.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,240,722.28 : 12,747,077.10 = 5,372,815.86 : x
  2. Step 2: Convert to fraction form
    9,240,722.28/12,747,077.10 = 5,372,815.86/x
  3. Step 3: Cross multiply
    9,240,722.28x = 12,747,077.10 × 5,372,815.86
  4. Step 4: Simplify right side
    9,240,722.28x = 68,487,698,011,522.80
  5. Step 5: Solve for x
    x = 68,487,698,011,522.80/9,240,722.28
  6. Step 6: Final answer
    x = 7,411,509.18

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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.