Home / 28,779,760.27-43,192,026.69-20,087,391.44

Finding the Fourth Proportional to 28,779,760.27, 43,192,026.69 and 20,087,391.44

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Solution

The fourth proportional to 28,779,760.27, 43,192,026.69 and 20,087,391.44 is: 30,146,712.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,779,760.27 : 43,192,026.69 = 20,087,391.44 : x
  2. Step 2: Convert to fraction form
    28,779,760.27/43,192,026.69 = 20,087,391.44/x
  3. Step 3: Cross multiply
    28,779,760.27x = 43,192,026.69 × 20,087,391.44
  4. Step 4: Simplify right side
    28,779,760.27x = 867,615,147,208,957.50
  5. Step 5: Solve for x
    x = 867,615,147,208,957.50/28,779,760.27
  6. Step 6: Final answer
    x = 30,146,712.10

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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.