Home / 9,231,304.86-12,739,689.90-5,561,376.84

Finding the Fourth Proportional to 9,231,304.86, 12,739,689.90 and 5,561,376.84

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Solution

The fourth proportional to 9,231,304.86, 12,739,689.90 and 5,561,376.84 is: 7,674,994.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,231,304.86 : 12,739,689.90 = 5,561,376.84 : x
  2. Step 2: Convert to fraction form
    9,231,304.86/12,739,689.90 = 5,561,376.84/x
  3. Step 3: Cross multiply
    9,231,304.86x = 12,739,689.90 × 5,561,376.84
  4. Step 4: Simplify right side
    9,231,304.86x = 70,850,216,358,641.92
  5. Step 5: Solve for x
    x = 70,850,216,358,641.92/9,231,304.86
  6. Step 6: Final answer
    x = 7,674,994.75

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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.