Home / 10,178,001.60-15,267,002.40-7,148,787.90

Finding the Fourth Proportional to 10,178,001.60, 15,267,002.40 and 7,148,787.90

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Solution

The fourth proportional to 10,178,001.60, 15,267,002.40 and 7,148,787.90 is: 10,723,181.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,178,001.60 : 15,267,002.40 = 7,148,787.90 : x
  2. Step 2: Convert to fraction form
    10,178,001.60/15,267,002.40 = 7,148,787.90/x
  3. Step 3: Cross multiply
    10,178,001.60x = 15,267,002.40 × 7,148,787.90
  4. Step 4: Simplify right side
    10,178,001.60x = 109,140,562,026,390.97
  5. Step 5: Solve for x
    x = 109,140,562,026,390.97/10,178,001.60
  6. Step 6: Final answer
    x = 10,723,181.85

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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.