Home / 15,234,240.56-21,023,638.88-8,358,720.80

Finding the Fourth Proportional to 15,234,240.56, 21,023,638.88 and 8,358,720.80

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Solution

The fourth proportional to 15,234,240.56, 21,023,638.88 and 8,358,720.80 is: 11,535,246.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,234,240.56 : 21,023,638.88 = 8,358,720.80 : x
  2. Step 2: Convert to fraction form
    15,234,240.56/21,023,638.88 = 8,358,720.80/x
  3. Step 3: Cross multiply
    15,234,240.56x = 21,023,638.88 × 8,358,720.80
  4. Step 4: Simplify right side
    15,234,240.56x = 175,730,727,597,944.69
  5. Step 5: Solve for x
    x = 175,730,727,597,944.69/15,234,240.56
  6. Step 6: Final answer
    x = 11,535,246.99

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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.