Home / 14,156,767.40-21,131,801.32-12,147,920.42

Finding the Fourth Proportional to 14,156,767.40, 21,131,801.32 and 12,147,920.42

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Solution

The fourth proportional to 14,156,767.40, 21,131,801.32 and 12,147,920.42 is: 18,133,196.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,156,767.40 : 21,131,801.32 = 12,147,920.42 : x
  2. Step 2: Convert to fraction form
    14,156,767.40/21,131,801.32 = 12,147,920.42/x
  3. Step 3: Cross multiply
    14,156,767.40x = 21,131,801.32 × 12,147,920.42
  4. Step 4: Simplify right side
    14,156,767.40x = 256,707,440,766,610.97
  5. Step 5: Solve for x
    x = 256,707,440,766,610.97/14,156,767.40
  6. Step 6: Final answer
    x = 18,133,196.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.