Home / 14,227,456.72-21,344,580.21-4,642,853.08

Finding the Fourth Proportional to 14,227,456.72, 21,344,580.21 and 4,642,853.08

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Solution

The fourth proportional to 14,227,456.72, 21,344,580.21 and 4,642,853.08 is: 6,965,387.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,227,456.72 : 21,344,580.21 = 4,642,853.08 : x
  2. Step 2: Convert to fraction form
    14,227,456.72/21,344,580.21 = 4,642,853.08/x
  3. Step 3: Cross multiply
    14,227,456.72x = 21,344,580.21 × 4,642,853.08
  4. Step 4: Simplify right side
    14,227,456.72x = 99,099,749,969,305.55
  5. Step 5: Solve for x
    x = 99,099,749,969,305.55/14,227,456.72
  6. Step 6: Final answer
    x = 6,965,387.55

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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.