Home / 14,439,507.32-19,926,676.76-7,912,996.31

Finding the Fourth Proportional to 14,439,507.32, 19,926,676.76 and 7,912,996.31

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Solution

The fourth proportional to 14,439,507.32, 19,926,676.76 and 7,912,996.31 is: 10,920,020.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,439,507.32 : 19,926,676.76 = 7,912,996.31 : x
  2. Step 2: Convert to fraction form
    14,439,507.32/19,926,676.76 = 7,912,996.31/x
  3. Step 3: Cross multiply
    14,439,507.32x = 19,926,676.76 × 7,912,996.31
  4. Step 4: Simplify right side
    14,439,507.32x = 157,679,719,682,694.47
  5. Step 5: Solve for x
    x = 157,679,719,682,694.47/14,439,507.32
  6. Step 6: Final answer
    x = 10,920,020.76

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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.