Home / 13,831,452.60-20,747,178.90-7,029,007.80

Finding the Fourth Proportional to 13,831,452.60, 20,747,178.90 and 7,029,007.80

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Solution

The fourth proportional to 13,831,452.60, 20,747,178.90 and 7,029,007.80 is: 10,543,511.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,831,452.60 : 20,747,178.90 = 7,029,007.80 : x
  2. Step 2: Convert to fraction form
    13,831,452.60/20,747,178.90 = 7,029,007.80/x
  3. Step 3: Cross multiply
    13,831,452.60x = 20,747,178.90 × 7,029,007.80
  4. Step 4: Simplify right side
    13,831,452.60x = 145,832,082,316,095.41
  5. Step 5: Solve for x
    x = 145,832,082,316,095.41/13,831,452.60
  6. Step 6: Final answer
    x = 10,543,511.70

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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.