Home / 26,521,444.80-39,782,167.20-20,144,152.80

Finding the Fourth Proportional to 26,521,444.80, 39,782,167.20 and 20,144,152.80

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Solution

The fourth proportional to 26,521,444.80, 39,782,167.20 and 20,144,152.80 is: 30,216,229.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,521,444.80 : 39,782,167.20 = 20,144,152.80 : x
  2. Step 2: Convert to fraction form
    26,521,444.80/39,782,167.20 = 20,144,152.80/x
  3. Step 3: Cross multiply
    26,521,444.80x = 39,782,167.20 × 20,144,152.80
  4. Step 4: Simplify right side
    26,521,444.80x = 801,378,054,791,948.25
  5. Step 5: Solve for x
    x = 801,378,054,791,948.25/26,521,444.80
  6. Step 6: Final answer
    x = 30,216,229.20

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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.