Home / 15,234,236.56-21,023,633.36-8,358,716.80

Finding the Fourth Proportional to 15,234,236.56, 21,023,633.36 and 8,358,716.80

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Solution

The fourth proportional to 15,234,236.56, 21,023,633.36 and 8,358,716.80 is: 11,535,241.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,234,236.56 : 21,023,633.36 = 8,358,716.80 : x
  2. Step 2: Convert to fraction form
    15,234,236.56/21,023,633.36 = 8,358,716.80/x
  3. Step 3: Cross multiply
    15,234,236.56x = 21,023,633.36 × 8,358,716.80
  4. Step 4: Simplify right side
    15,234,236.56x = 175,730,597,363,272.44
  5. Step 5: Solve for x
    x = 175,730,597,363,272.44/15,234,236.56
  6. Step 6: Final answer
    x = 11,535,241.47

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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.