Home / 13,180,732.83-18,180,018.68-12,096,505.71

Finding the Fourth Proportional to 13,180,732.83, 18,180,018.68 and 12,096,505.71

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Solution

The fourth proportional to 13,180,732.83, 18,180,018.68 and 12,096,505.71 is: 16,684,557.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,180,732.83 : 18,180,018.68 = 12,096,505.71 : x
  2. Step 2: Convert to fraction form
    13,180,732.83/18,180,018.68 = 12,096,505.71/x
  3. Step 3: Cross multiply
    13,180,732.83x = 18,180,018.68 × 12,096,505.71
  4. Step 4: Simplify right side
    13,180,732.83x = 219,914,699,710,044.16
  5. Step 5: Solve for x
    x = 219,914,699,710,044.16/13,180,732.83
  6. Step 6: Final answer
    x = 16,684,557.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.