Home / 10,478,967.20-15,726,745.20-4,092,279.20

Finding the Fourth Proportional to 10,478,967.20, 15,726,745.20 and 4,092,279.20

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Solution

The fourth proportional to 10,478,967.20, 15,726,745.20 and 4,092,279.20 is: 6,141,657.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,478,967.20 : 15,726,745.20 = 4,092,279.20 : x
  2. Step 2: Convert to fraction form
    10,478,967.20/15,726,745.20 = 4,092,279.20/x
  3. Step 3: Cross multiply
    10,478,967.20x = 15,726,745.20 × 4,092,279.20
  4. Step 4: Simplify right side
    10,478,967.20x = 64,358,232,265,659.84
  5. Step 5: Solve for x
    x = 64,358,232,265,659.84/10,478,967.20
  6. Step 6: Final answer
    x = 6,141,657.96

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.