Home / 28,431,037.20-42,646,555.80-23,707,117.20

Finding the Fourth Proportional to 28,431,037.20, 42,646,555.80 and 23,707,117.20

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Solution

The fourth proportional to 28,431,037.20, 42,646,555.80 and 23,707,117.20 is: 35,560,675.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,431,037.20 : 42,646,555.80 = 23,707,117.20 : x
  2. Step 2: Convert to fraction form
    28,431,037.20/42,646,555.80 = 23,707,117.20/x
  3. Step 3: Cross multiply
    28,431,037.20x = 42,646,555.80 × 23,707,117.20
  4. Step 4: Simplify right side
    28,431,037.20x = 1,011,026,896,526,939.62
  5. Step 5: Solve for x
    x = 1,011,026,896,526,939.62/28,431,037.20
  6. Step 6: Final answer
    x = 35,560,675.80

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Similar ratio
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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.