Home / 28,154,426.80-42,231,640.20-22,107,809.20

Finding the Fourth Proportional to 28,154,426.80, 42,231,640.20 and 22,107,809.20

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Solution

The fourth proportional to 28,154,426.80, 42,231,640.20 and 22,107,809.20 is: 33,161,713.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,154,426.80 : 42,231,640.20 = 22,107,809.20 : x
  2. Step 2: Convert to fraction form
    28,154,426.80/42,231,640.20 = 22,107,809.20/x
  3. Step 3: Cross multiply
    28,154,426.80x = 42,231,640.20 × 22,107,809.20
  4. Step 4: Simplify right side
    28,154,426.80x = 933,649,043,744,649.88
  5. Step 5: Solve for x
    x = 933,649,043,744,649.88/28,154,426.80
  6. Step 6: Final answer
    x = 33,161,713.80

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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.