Home / 15,205,067.76-20,983,515.84-8,329,548

Finding the Fourth Proportional to 15,205,067.76, 20,983,515.84 and 8,329,548

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Solution

The fourth proportional to 15,205,067.76, 20,983,515.84 and 8,329,548 is: 11,495,062.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,205,067.76 : 20,983,515.84 = 8,329,548 : x
  2. Step 2: Convert to fraction form
    15,205,067.76/20,983,515.84 = 8,329,548/x
  3. Step 3: Cross multiply
    15,205,067.76x = 20,983,515.84 × 8,329,548
  4. Step 4: Simplify right side
    15,205,067.76x = 174,783,202,398,040.31
  5. Step 5: Solve for x
    x = 174,783,202,398,040.31/15,205,067.76
  6. Step 6: Final answer
    x = 11,495,062.38

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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.