Home / 12,144,115.54-18,219,325.02-3,624,451.71

Finding the Fourth Proportional to 12,144,115.54, 18,219,325.02 and 3,624,451.71

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Solution

The fourth proportional to 12,144,115.54, 18,219,325.02 and 3,624,451.71 is: 5,437,618.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,144,115.54 : 18,219,325.02 = 3,624,451.71 : x
  2. Step 2: Convert to fraction form
    12,144,115.54/18,219,325.02 = 3,624,451.71/x
  3. Step 3: Cross multiply
    12,144,115.54x = 18,219,325.02 × 3,624,451.71
  4. Step 4: Simplify right side
    12,144,115.54x = 66,035,063,723,784.78
  5. Step 5: Solve for x
    x = 66,035,063,723,784.78/12,144,115.54
  6. Step 6: Final answer
    x = 5,437,618.20

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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.