Home / 19,991,212.44-29,986,818.72-4,845,143.88

Finding the Fourth Proportional to 19,991,212.44, 29,986,818.72 and 4,845,143.88

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Solution

The fourth proportional to 19,991,212.44, 29,986,818.72 and 4,845,143.88 is: 7,267,715.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,991,212.44 : 29,986,818.72 = 4,845,143.88 : x
  2. Step 2: Convert to fraction form
    19,991,212.44/29,986,818.72 = 4,845,143.88/x
  3. Step 3: Cross multiply
    19,991,212.44x = 29,986,818.72 × 4,845,143.88
  4. Step 4: Simplify right side
    19,991,212.44x = 145,290,451,201,877.44
  5. Step 5: Solve for x
    x = 145,290,451,201,877.44/19,991,212.44
  6. Step 6: Final answer
    x = 7,267,715.83

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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.