Home / 8,786,089.80-13,187,007.90-7,589,363.40

Finding the Fourth Proportional to 8,786,089.80, 13,187,007.90 and 7,589,363.40

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Solution

The fourth proportional to 8,786,089.80, 13,187,007.90 and 7,589,363.40 is: 11,390,845.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,786,089.80 : 13,187,007.90 = 7,589,363.40 : x
  2. Step 2: Convert to fraction form
    8,786,089.80/13,187,007.90 = 7,589,363.40/x
  3. Step 3: Cross multiply
    8,786,089.80x = 13,187,007.90 × 7,589,363.40
  4. Step 4: Simplify right side
    8,786,089.80x = 100,080,995,111,770.88
  5. Step 5: Solve for x
    x = 100,080,995,111,770.88/8,786,089.80
  6. Step 6: Final answer
    x = 11,390,845.92

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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.