Home / 8,377,038.40-12,565,557.60-2,991,769.60

Finding the Fourth Proportional to 8,377,038.40, 12,565,557.60 and 2,991,769.60

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Solution

The fourth proportional to 8,377,038.40, 12,565,557.60 and 2,991,769.60 is: 4,487,654.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,377,038.40 : 12,565,557.60 = 2,991,769.60 : x
  2. Step 2: Convert to fraction form
    8,377,038.40/12,565,557.60 = 2,991,769.60/x
  3. Step 3: Cross multiply
    8,377,038.40x = 12,565,557.60 × 2,991,769.60
  4. Step 4: Simplify right side
    8,377,038.40x = 37,593,253,234,728.96
  5. Step 5: Solve for x
    x = 37,593,253,234,728.96/8,377,038.40
  6. Step 6: Final answer
    x = 4,487,654.40

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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.