Home / 9,309,834.47-12,847,370.17-5,389,756.78

Finding the Fourth Proportional to 9,309,834.47, 12,847,370.17 and 5,389,756.78

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Solution

The fourth proportional to 9,309,834.47, 12,847,370.17 and 5,389,756.78 is: 7,437,747.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,309,834.47 : 12,847,370.17 = 5,389,756.78 : x
  2. Step 2: Convert to fraction form
    9,309,834.47/12,847,370.17 = 5,389,756.78/x
  3. Step 3: Cross multiply
    9,309,834.47x = 12,847,370.17 × 5,389,756.78
  4. Step 4: Simplify right side
    9,309,834.47x = 69,244,200,478,927.26
  5. Step 5: Solve for x
    x = 69,244,200,478,927.26/9,309,834.47
  6. Step 6: Final answer
    x = 7,437,747.76

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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.