Home / 20,220,347.40-30,330,521.10-6,757,175.40

Finding the Fourth Proportional to 20,220,347.40, 30,330,521.10 and 6,757,175.40

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Solution

The fourth proportional to 20,220,347.40, 30,330,521.10 and 6,757,175.40 is: 10,135,763.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,220,347.40 : 30,330,521.10 = 6,757,175.40 : x
  2. Step 2: Convert to fraction form
    20,220,347.40/30,330,521.10 = 6,757,175.40/x
  3. Step 3: Cross multiply
    20,220,347.40x = 30,330,521.10 × 6,757,175.40
  4. Step 4: Simplify right side
    20,220,347.40x = 204,948,651,046,100.97
  5. Step 5: Solve for x
    x = 204,948,651,046,100.97/20,220,347.40
  6. Step 6: Final answer
    x = 10,135,763.10

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1.5x scale

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.