Home / 20,780,861.80-31,176,207.90-6,597,437.80

Finding the Fourth Proportional to 20,780,861.80, 31,176,207.90 and 6,597,437.80

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Solution

The fourth proportional to 20,780,861.80, 31,176,207.90 and 6,597,437.80 is: 9,897,717.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,780,861.80 : 31,176,207.90 = 6,597,437.80 : x
  2. Step 2: Convert to fraction form
    20,780,861.80/31,176,207.90 = 6,597,437.80/x
  3. Step 3: Cross multiply
    20,780,861.80x = 31,176,207.90 × 6,597,437.80
  4. Step 4: Simplify right side
    20,780,861.80x = 205,683,092,460,118.59
  5. Step 5: Solve for x
    x = 205,683,092,460,118.59/20,780,861.80
  6. Step 6: Final answer
    x = 9,897,717.16

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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.