Home / 9,002,642.30-12,423,645.41-4,872,672.69

Finding the Fourth Proportional to 9,002,642.30, 12,423,645.41 and 4,872,672.69

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Solution

The fourth proportional to 9,002,642.30, 12,423,645.41 and 4,872,672.69 is: 6,724,287.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,002,642.30 : 12,423,645.41 = 4,872,672.69 : x
  2. Step 2: Convert to fraction form
    9,002,642.30/12,423,645.41 = 4,872,672.69/x
  3. Step 3: Cross multiply
    9,002,642.30x = 12,423,645.41 × 4,872,672.69
  4. Step 4: Simplify right side
    9,002,642.30x = 60,536,357,699,550.86
  5. Step 5: Solve for x
    x = 60,536,357,699,550.86/9,002,642.30
  6. Step 6: Final answer
    x = 6,724,287.79

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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.