Home / 20,503,523.80-30,752,952.90-5,358,986.20

Finding the Fourth Proportional to 20,503,523.80, 30,752,952.90 and 5,358,986.20

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Solution

The fourth proportional to 20,503,523.80, 30,752,952.90 and 5,358,986.20 is: 8,037,869.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,503,523.80 : 30,752,952.90 = 5,358,986.20 : x
  2. Step 2: Convert to fraction form
    20,503,523.80/30,752,952.90 = 5,358,986.20/x
  3. Step 3: Cross multiply
    20,503,523.80x = 30,752,952.90 × 5,358,986.20
  4. Step 4: Simplify right side
    20,503,523.80x = 164,804,650,200,349.97
  5. Step 5: Solve for x
    x = 164,804,650,200,349.97/20,503,523.80
  6. Step 6: Final answer
    x = 8,037,869.58

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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.