Home / 20,509,017.80-30,761,193.90-5,364,480.20

Finding the Fourth Proportional to 20,509,017.80, 30,761,193.90 and 5,364,480.20

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Solution

The fourth proportional to 20,509,017.80, 30,761,193.90 and 5,364,480.20 is: 8,046,110.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,509,017.80 : 30,761,193.90 = 5,364,480.20 : x
  2. Step 2: Convert to fraction form
    20,509,017.80/30,761,193.90 = 5,364,480.20/x
  3. Step 3: Cross multiply
    20,509,017.80x = 30,761,193.90 × 5,364,480.20
  4. Step 4: Simplify right side
    20,509,017.80x = 165,017,815,604,910.78
  5. Step 5: Solve for x
    x = 165,017,815,604,910.78/20,509,017.80
  6. Step 6: Final answer
    x = 8,046,110.12

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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.