Home / 14,412,882.12-19,890,223.50-7,886,786.64

Finding the Fourth Proportional to 14,412,882.12, 19,890,223.50 and 7,886,786.64

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Solution

The fourth proportional to 14,412,882.12, 19,890,223.50 and 7,886,786.64 is: 10,884,009.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,412,882.12 : 19,890,223.50 = 7,886,786.64 : x
  2. Step 2: Convert to fraction form
    14,412,882.12/19,890,223.50 = 7,886,786.64/x
  3. Step 3: Cross multiply
    14,412,882.12x = 19,890,223.50 × 7,886,786.64
  4. Step 4: Simplify right side
    14,412,882.12x = 156,869,948,966,414.03
  5. Step 5: Solve for x
    x = 156,869,948,966,414.03/14,412,882.12
  6. Step 6: Final answer
    x = 10,884,009.71

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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.