Home / 8,831,029.20-13,246,543.80-5,807,720.40

Finding the Fourth Proportional to 8,831,029.20, 13,246,543.80 and 5,807,720.40

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Solution

The fourth proportional to 8,831,029.20, 13,246,543.80 and 5,807,720.40 is: 8,711,580.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,831,029.20 : 13,246,543.80 = 5,807,720.40 : x
  2. Step 2: Convert to fraction form
    8,831,029.20/13,246,543.80 = 5,807,720.40/x
  3. Step 3: Cross multiply
    8,831,029.20x = 13,246,543.80 × 5,807,720.40
  4. Step 4: Simplify right side
    8,831,029.20x = 76,932,222,656,753.53
  5. Step 5: Solve for x
    x = 76,932,222,656,753.53/8,831,029.20
  6. Step 6: Final answer
    x = 8,711,580.60

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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.