Home / 27,708,354.80-38,238,710.52-15,485,211.44

Finding the Fourth Proportional to 27,708,354.80, 38,238,710.52 and 15,485,211.44

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Solution

The fourth proportional to 27,708,354.80, 38,238,710.52 and 15,485,211.44 is: 21,370,251.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,708,354.80 : 38,238,710.52 = 15,485,211.44 : x
  2. Step 2: Convert to fraction form
    27,708,354.80/38,238,710.52 = 15,485,211.44/x
  3. Step 3: Cross multiply
    27,708,354.80x = 38,238,710.52 × 15,485,211.44
  4. Step 4: Simplify right side
    27,708,354.80x = 592,134,517,595,152.38
  5. Step 5: Solve for x
    x = 592,134,517,595,152.38/27,708,354.80
  6. Step 6: Final answer
    x = 21,370,251.75

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1.5x scale

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.