Home / 13,650,230.83-20,478,225.61-4,427,487.12

Finding the Fourth Proportional to 13,650,230.83, 20,478,225.61 and 4,427,487.12

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Solution

The fourth proportional to 13,650,230.83, 20,478,225.61 and 4,427,487.12 is: 6,642,164.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,650,230.83 : 20,478,225.61 = 4,427,487.12 : x
  2. Step 2: Convert to fraction form
    13,650,230.83/20,478,225.61 = 4,427,487.12/x
  3. Step 3: Cross multiply
    13,650,230.83x = 20,478,225.61 × 4,427,487.12
  4. Step 4: Simplify right side
    13,650,230.83x = 90,667,080,128,729.14
  5. Step 5: Solve for x
    x = 90,667,080,128,729.14/13,650,230.83
  6. Step 6: Final answer
    x = 6,642,164.61

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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.