Home / 12,454,384.61-18,684,098.78-5,265,906.98

Finding the Fourth Proportional to 12,454,384.61, 18,684,098.78 and 5,265,906.98

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Solution

The fourth proportional to 12,454,384.61, 18,684,098.78 and 5,265,906.98 is: 7,899,926.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,454,384.61 : 18,684,098.78 = 5,265,906.98 : x
  2. Step 2: Convert to fraction form
    12,454,384.61/18,684,098.78 = 5,265,906.98/x
  3. Step 3: Cross multiply
    12,454,384.61x = 18,684,098.78 × 5,265,906.98
  4. Step 4: Simplify right side
    12,454,384.61x = 98,388,726,154,281.95
  5. Step 5: Solve for x
    x = 98,388,726,154,281.95/12,454,384.61
  6. Step 6: Final answer
    x = 7,899,926.75

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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.