Home / 18,723,031.80-28,105,542.90-14,482,001.40

Finding the Fourth Proportional to 18,723,031.80, 28,105,542.90 and 14,482,001.40

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Solution

The fourth proportional to 18,723,031.80, 28,105,542.90 and 14,482,001.40 is: 21,739,241.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,723,031.80 : 28,105,542.90 = 14,482,001.40 : x
  2. Step 2: Convert to fraction form
    18,723,031.80/28,105,542.90 = 14,482,001.40/x
  3. Step 3: Cross multiply
    18,723,031.80x = 28,105,542.90 × 14,482,001.40
  4. Step 4: Simplify right side
    18,723,031.80x = 407,024,511,625,560.06
  5. Step 5: Solve for x
    x = 407,024,511,625,560.06/18,723,031.80
  6. Step 6: Final answer
    x = 21,739,241.59

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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.