Home / 20,729,417.64-31,098,675.41-6,353,566.80

Finding the Fourth Proportional to 20,729,417.64, 31,098,675.41 and 6,353,566.80

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Solution

The fourth proportional to 20,729,417.64, 31,098,675.41 and 6,353,566.80 is: 9,531,744.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,729,417.64 : 31,098,675.41 = 6,353,566.80 : x
  2. Step 2: Convert to fraction form
    20,729,417.64/31,098,675.41 = 6,353,566.80/x
  3. Step 3: Cross multiply
    20,729,417.64x = 31,098,675.41 × 6,353,566.80
  4. Step 4: Simplify right side
    20,729,417.64x = 197,587,511,520,129.19
  5. Step 5: Solve for x
    x = 197,587,511,520,129.19/20,729,417.64
  6. Step 6: Final answer
    x = 9,531,744.45

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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.