Home / 14,458,499.90-21,687,749.85-13,820,770.70

Finding the Fourth Proportional to 14,458,499.90, 21,687,749.85 and 13,820,770.70

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Solution

The fourth proportional to 14,458,499.90, 21,687,749.85 and 13,820,770.70 is: 20,731,156.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,458,499.90 : 21,687,749.85 = 13,820,770.70 : x
  2. Step 2: Convert to fraction form
    14,458,499.90/21,687,749.85 = 13,820,770.70/x
  3. Step 3: Cross multiply
    14,458,499.90x = 21,687,749.85 × 13,820,770.70
  4. Step 4: Simplify right side
    14,458,499.90x = 299,741,417,675,809.38
  5. Step 5: Solve for x
    x = 299,741,417,675,809.38/14,458,499.90
  6. Step 6: Final answer
    x = 20,731,156.05

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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.