Home / 20,780,722.80-31,175,999.40-6,597,298.80

Finding the Fourth Proportional to 20,780,722.80, 31,175,999.40 and 6,597,298.80

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Solution

The fourth proportional to 20,780,722.80, 31,175,999.40 and 6,597,298.80 is: 9,897,508.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,780,722.80 : 31,175,999.40 = 6,597,298.80 : x
  2. Step 2: Convert to fraction form
    20,780,722.80/31,175,999.40 = 6,597,298.80/x
  3. Step 3: Cross multiply
    20,780,722.80x = 31,175,999.40 × 6,597,298.80
  4. Step 4: Simplify right side
    20,780,722.80x = 205,677,383,430,420.72
  5. Step 5: Solve for x
    x = 205,677,383,430,420.72/20,780,722.80
  6. Step 6: Final answer
    x = 9,897,508.64

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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.