Home / 12,131,740.81-18,197,772.11-4,044,719.04

Finding the Fourth Proportional to 12,131,740.81, 18,197,772.11 and 4,044,719.04

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Solution

The fourth proportional to 12,131,740.81, 18,197,772.11 and 4,044,719.04 is: 6,067,132.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,131,740.81 : 18,197,772.11 = 4,044,719.04 : x
  2. Step 2: Convert to fraction form
    12,131,740.81/18,197,772.11 = 4,044,719.04/x
  3. Step 3: Cross multiply
    12,131,740.81x = 18,197,772.11 × 4,044,719.04
  4. Step 4: Simplify right side
    12,131,740.81x = 73,604,875,339,612.17
  5. Step 5: Solve for x
    x = 73,604,875,339,612.17/12,131,740.81
  6. Step 6: Final answer
    x = 6,067,132.20

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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.