Home / 12,681,257.28-17,500,234.84-7,452,862

Finding the Fourth Proportional to 12,681,257.28, 17,500,234.84 and 7,452,862

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Solution

The fourth proportional to 12,681,257.28, 17,500,234.84 and 7,452,862 is: 10,285,008.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,681,257.28 : 17,500,234.84 = 7,452,862 : x
  2. Step 2: Convert to fraction form
    12,681,257.28/17,500,234.84 = 7,452,862/x
  3. Step 3: Cross multiply
    12,681,257.28x = 17,500,234.84 × 7,452,862
  4. Step 4: Simplify right side
    12,681,257.28x = 130,426,835,230,112.08
  5. Step 5: Solve for x
    x = 130,426,835,230,112.08/12,681,257.28
  6. Step 6: Final answer
    x = 10,285,008.21

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1.5x scale

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.