Home / 9,965,478.06-13,752,406.80-5,614,631.10

Finding the Fourth Proportional to 9,965,478.06, 13,752,406.80 and 5,614,631.10

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Solution

The fourth proportional to 9,965,478.06, 13,752,406.80 and 5,614,631.10 is: 7,748,217.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,965,478.06 : 13,752,406.80 = 5,614,631.10 : x
  2. Step 2: Convert to fraction form
    9,965,478.06/13,752,406.80 = 5,614,631.10/x
  3. Step 3: Cross multiply
    9,965,478.06x = 13,752,406.80 × 5,614,631.10
  4. Step 4: Simplify right side
    9,965,478.06x = 77,214,690,919,131.48
  5. Step 5: Solve for x
    x = 77,214,690,919,131.48/9,965,478.06
  6. Step 6: Final answer
    x = 7,748,217.44

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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.