Home / 12,098,769.80-16,696,115.70-6,666,456.20

Finding the Fourth Proportional to 12,098,769.80, 16,696,115.70 and 6,666,456.20

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Solution

The fourth proportional to 12,098,769.80, 16,696,115.70 and 6,666,456.20 is: 9,199,606.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,098,769.80 : 16,696,115.70 = 6,666,456.20 : x
  2. Step 2: Convert to fraction form
    12,098,769.80/16,696,115.70 = 6,666,456.20/x
  3. Step 3: Cross multiply
    12,098,769.80x = 16,696,115.70 × 6,666,456.20
  4. Step 4: Simplify right side
    12,098,769.80x = 111,303,924,024,182.34
  5. Step 5: Solve for x
    x = 111,303,924,024,182.34/12,098,769.80
  6. Step 6: Final answer
    x = 9,199,606.73

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.