Home / 8,779,233.60-13,162,629.60-3,989,217.60

Finding the Fourth Proportional to 8,779,233.60, 13,162,629.60 and 3,989,217.60

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Solution

The fourth proportional to 8,779,233.60, 13,162,629.60 and 3,989,217.60 is: 5,980,999.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,779,233.60 : 13,162,629.60 = 3,989,217.60 : x
  2. Step 2: Convert to fraction form
    8,779,233.60/13,162,629.60 = 3,989,217.60/x
  3. Step 3: Cross multiply
    8,779,233.60x = 13,162,629.60 × 3,989,217.60
  4. Step 4: Simplify right side
    8,779,233.60x = 52,508,593,662,600.96
  5. Step 5: Solve for x
    x = 52,508,593,662,600.96/8,779,233.60
  6. Step 6: Final answer
    x = 5,980,999.72

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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.