Home / 12,947,514-17,867,569.32-7,224,378

Finding the Fourth Proportional to 12,947,514, 17,867,569.32 and 7,224,378

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Solution

The fourth proportional to 12,947,514, 17,867,569.32 and 7,224,378 is: 9,969,641.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,947,514 : 17,867,569.32 = 7,224,378 : x
  2. Step 2: Convert to fraction form
    12,947,514/17,867,569.32 = 7,224,378/x
  3. Step 3: Cross multiply
    12,947,514x = 17,867,569.32 × 7,224,378
  4. Step 4: Simplify right side
    12,947,514x = 129,082,074,708,882.97
  5. Step 5: Solve for x
    x = 129,082,074,708,882.97/12,947,514
  6. Step 6: Final answer
    x = 9,969,641.64

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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.