Home / 28,779,760.97-43,192,027.73-20,087,392.13

Finding the Fourth Proportional to 28,779,760.97, 43,192,027.73 and 20,087,392.13

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Solution

The fourth proportional to 28,779,760.97, 43,192,027.73 and 20,087,392.13 is: 30,146,713.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,779,760.97 : 43,192,027.73 = 20,087,392.13 : x
  2. Step 2: Convert to fraction form
    28,779,760.97/43,192,027.73 = 20,087,392.13/x
  3. Step 3: Cross multiply
    28,779,760.97x = 43,192,027.73 × 20,087,392.13
  4. Step 4: Simplify right side
    28,779,760.97x = 867,615,197,585,946.75
  5. Step 5: Solve for x
    x = 867,615,197,585,946.75/28,779,760.97
  6. Step 6: Final answer
    x = 30,146,713.12

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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.