Home / 9,165,143.70-13,762,403.55-7,287,498.90

Finding the Fourth Proportional to 9,165,143.70, 13,762,403.55 and 7,287,498.90

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Solution

The fourth proportional to 9,165,143.70, 13,762,403.55 and 7,287,498.90 is: 10,942,927.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,165,143.70 : 13,762,403.55 = 7,287,498.90 : x
  2. Step 2: Convert to fraction form
    9,165,143.70/13,762,403.55 = 7,287,498.90/x
  3. Step 3: Cross multiply
    9,165,143.70x = 13,762,403.55 × 7,287,498.90
  4. Step 4: Simplify right side
    9,165,143.70x = 100,293,500,731,981.11
  5. Step 5: Solve for x
    x = 100,293,500,731,981.11/9,165,143.70
  6. Step 6: Final answer
    x = 10,942,927.25

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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.