Home / 20,588,086.80-30,882,130.20-5,235,346.80

Finding the Fourth Proportional to 20,588,086.80, 30,882,130.20 and 5,235,346.80

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Solution

The fourth proportional to 20,588,086.80, 30,882,130.20 and 5,235,346.80 is: 7,853,020.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,588,086.80 : 30,882,130.20 = 5,235,346.80 : x
  2. Step 2: Convert to fraction form
    20,588,086.80/30,882,130.20 = 5,235,346.80/x
  3. Step 3: Cross multiply
    20,588,086.80x = 30,882,130.20 × 5,235,346.80
  4. Step 4: Simplify right side
    20,588,086.80x = 161,678,661,519,753.34
  5. Step 5: Solve for x
    x = 161,678,661,519,753.34/20,588,086.80
  6. Step 6: Final answer
    x = 7,853,020.20

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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.