Home / 9,719,877.87-13,413,126.69-5,309,532.66

Finding the Fourth Proportional to 9,719,877.87, 13,413,126.69 and 5,309,532.66

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Solution

The fourth proportional to 9,719,877.87, 13,413,126.69 and 5,309,532.66 is: 7,326,988.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,719,877.87 : 13,413,126.69 = 5,309,532.66 : x
  2. Step 2: Convert to fraction form
    9,719,877.87/13,413,126.69 = 5,309,532.66/x
  3. Step 3: Cross multiply
    9,719,877.87x = 13,413,126.69 × 5,309,532.66
  4. Step 4: Simplify right side
    9,719,877.87x = 71,217,434,233,272.69
  5. Step 5: Solve for x
    x = 71,217,434,233,272.69/9,719,877.87
  6. Step 6: Final answer
    x = 7,326,988.59

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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.