Home / 12,376,693.76-18,565,015.11-6,982,895.66

Finding the Fourth Proportional to 12,376,693.76, 18,565,015.11 and 6,982,895.66

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Solution

The fourth proportional to 12,376,693.76, 18,565,015.11 and 6,982,895.66 is: 10,474,329.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,376,693.76 : 18,565,015.11 = 6,982,895.66 : x
  2. Step 2: Convert to fraction form
    12,376,693.76/18,565,015.11 = 6,982,895.66/x
  3. Step 3: Cross multiply
    12,376,693.76x = 18,565,015.11 × 6,982,895.66
  4. Step 4: Simplify right side
    12,376,693.76x = 129,637,563,439,453.42
  5. Step 5: Solve for x
    x = 129,637,563,439,453.42/12,376,693.76
  6. Step 6: Final answer
    x = 10,474,329.09

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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.