Home / 14,398,431.40-21,609,456.90-13,926,039.40

Finding the Fourth Proportional to 14,398,431.40, 21,609,456.90 and 13,926,039.40

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Solution

The fourth proportional to 14,398,431.40, 21,609,456.90 and 13,926,039.40 is: 20,900,481.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,398,431.40 : 21,609,456.90 = 13,926,039.40 : x
  2. Step 2: Convert to fraction form
    14,398,431.40/21,609,456.90 = 13,926,039.40/x
  3. Step 3: Cross multiply
    14,398,431.40x = 21,609,456.90 × 13,926,039.40
  4. Step 4: Simplify right side
    14,398,431.40x = 300,934,148,202,001.88
  5. Step 5: Solve for x
    x = 300,934,148,202,001.88/14,398,431.40
  6. Step 6: Final answer
    x = 20,900,481.44

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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.