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Finding the Fourth Proportional to 8,007,397.20, 12,009,929.40 and 2,327,029.20

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Solution

The fourth proportional to 8,007,397.20, 12,009,929.40 and 2,327,029.20 is: 3,490,204.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,007,397.20 : 12,009,929.40 = 2,327,029.20 : x
  2. Step 2: Convert to fraction form
    8,007,397.20/12,009,929.40 = 2,327,029.20/x
  3. Step 3: Cross multiply
    8,007,397.20x = 12,009,929.40 × 2,327,029.20
  4. Step 4: Simplify right side
    8,007,397.20x = 27,947,456,403,738.48
  5. Step 5: Solve for x
    x = 27,947,456,403,738.48/8,007,397.20
  6. Step 6: Final answer
    x = 3,490,204.83

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.