Home / 20,161,677.20-30,242,515.80-6,698,505.20

Finding the Fourth Proportional to 20,161,677.20, 30,242,515.80 and 6,698,505.20

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Solution

The fourth proportional to 20,161,677.20, 30,242,515.80 and 6,698,505.20 is: 10,047,757.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,161,677.20 : 30,242,515.80 = 6,698,505.20 : x
  2. Step 2: Convert to fraction form
    20,161,677.20/30,242,515.80 = 6,698,505.20/x
  3. Step 3: Cross multiply
    20,161,677.20x = 30,242,515.80 × 6,698,505.20
  4. Step 4: Simplify right side
    20,161,677.20x = 202,579,649,347,382.16
  5. Step 5: Solve for x
    x = 202,579,649,347,382.16/20,161,677.20
  6. Step 6: Final answer
    x = 10,047,757.80

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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.