Home / 7,680,624.80-11,520,937.20-6,818,007.20

Finding the Fourth Proportional to 7,680,624.80, 11,520,937.20 and 6,818,007.20

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Solution

The fourth proportional to 7,680,624.80, 11,520,937.20 and 6,818,007.20 is: 10,227,010.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,680,624.80 : 11,520,937.20 = 6,818,007.20 : x
  2. Step 2: Convert to fraction form
    7,680,624.80/11,520,937.20 = 6,818,007.20/x
  3. Step 3: Cross multiply
    7,680,624.80x = 11,520,937.20 × 6,818,007.20
  4. Step 4: Simplify right side
    7,680,624.80x = 78,549,832,780,347.84
  5. Step 5: Solve for x
    x = 78,549,832,780,347.84/7,680,624.80
  6. Step 6: Final answer
    x = 10,227,010.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.