Home / 9,195,680.70-13,769,901.45-7,290,366.30

Finding the Fourth Proportional to 9,195,680.70, 13,769,901.45 and 7,290,366.30

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Solution

The fourth proportional to 9,195,680.70, 13,769,901.45 and 7,290,366.30 is: 10,916,823.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,195,680.70 : 13,769,901.45 = 7,290,366.30 : x
  2. Step 2: Convert to fraction form
    9,195,680.70/13,769,901.45 = 7,290,366.30/x
  3. Step 3: Cross multiply
    9,195,680.70x = 13,769,901.45 × 7,290,366.30
  4. Step 4: Simplify right side
    9,195,680.70x = 100,387,625,485,401.12
  5. Step 5: Solve for x
    x = 100,387,625,485,401.12/9,195,680.70
  6. Step 6: Final answer
    x = 10,916,823.75

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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.