Home / 27,707,686.56-38,238,305.04-15,485,519.52

Finding the Fourth Proportional to 27,707,686.56, 38,238,305.04 and 15,485,519.52

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Solution

The fourth proportional to 27,707,686.56, 38,238,305.04 and 15,485,519.52 is: 21,370,965.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,707,686.56 : 38,238,305.04 = 15,485,519.52 : x
  2. Step 2: Convert to fraction form
    27,707,686.56/38,238,305.04 = 15,485,519.52/x
  3. Step 3: Cross multiply
    27,707,686.56x = 38,238,305.04 × 15,485,519.52
  4. Step 4: Simplify right side
    27,707,686.56x = 592,140,019,108,634.38
  5. Step 5: Solve for x
    x = 592,140,019,108,634.38/27,707,686.56
  6. Step 6: Final answer
    x = 21,370,965.70

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.