Home / 20,588,087.80-30,882,131.70-5,235,347.80

Finding the Fourth Proportional to 20,588,087.80, 30,882,131.70 and 5,235,347.80

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Solution

The fourth proportional to 20,588,087.80, 30,882,131.70 and 5,235,347.80 is: 7,853,021.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,588,087.80 : 30,882,131.70 = 5,235,347.80 : x
  2. Step 2: Convert to fraction form
    20,588,087.80/30,882,131.70 = 5,235,347.80/x
  3. Step 3: Cross multiply
    20,588,087.80x = 30,882,131.70 × 5,235,347.80
  4. Step 4: Simplify right side
    20,588,087.80x = 161,678,700,254,905.25
  5. Step 5: Solve for x
    x = 161,678,700,254,905.25/20,588,087.80
  6. Step 6: Final answer
    x = 7,853,021.70

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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.