Home / 28,471,630.40-42,707,445.60-27,148,932.80

Finding the Fourth Proportional to 28,471,630.40, 42,707,445.60 and 27,148,932.80

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Solution

The fourth proportional to 28,471,630.40, 42,707,445.60 and 27,148,932.80 is: 40,723,399.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,471,630.40 : 42,707,445.60 = 27,148,932.80 : x
  2. Step 2: Convert to fraction form
    28,471,630.40/42,707,445.60 = 27,148,932.80/x
  3. Step 3: Cross multiply
    28,471,630.40x = 42,707,445.60 × 27,148,932.80
  4. Step 4: Simplify right side
    28,471,630.40x = 1,159,461,570,654,055.75
  5. Step 5: Solve for x
    x = 1,159,461,570,654,055.75/28,471,630.40
  6. Step 6: Final answer
    x = 40,723,399.20

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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.