Home / 20,412,672.40-30,583,579.20-13,220,504.20

Finding the Fourth Proportional to 20,412,672.40, 30,583,579.20 and 13,220,504.20

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Solution

The fourth proportional to 20,412,672.40, 30,583,579.20 and 13,220,504.20 is: 19,807,810.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,412,672.40 : 30,583,579.20 = 13,220,504.20 : x
  2. Step 2: Convert to fraction form
    20,412,672.40/30,583,579.20 = 13,220,504.20/x
  3. Step 3: Cross multiply
    20,412,672.40x = 30,583,579.20 × 13,220,504.20
  4. Step 4: Simplify right side
    20,412,672.40x = 404,330,337,264,632.62
  5. Step 5: Solve for x
    x = 404,330,337,264,632.62/20,412,672.40
  6. Step 6: Final answer
    x = 19,807,810.04

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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.