Home / 28,664,067.27-39,559,973.85-16,278,139.29

Finding the Fourth Proportional to 28,664,067.27, 39,559,973.85 and 16,278,139.29

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Solution

The fourth proportional to 28,664,067.27, 39,559,973.85 and 16,278,139.29 is: 22,465,854.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,664,067.27 : 39,559,973.85 = 16,278,139.29 : x
  2. Step 2: Convert to fraction form
    28,664,067.27/39,559,973.85 = 16,278,139.29/x
  3. Step 3: Cross multiply
    28,664,067.27x = 39,559,973.85 × 16,278,139.29
  4. Step 4: Simplify right side
    28,664,067.27x = 643,962,764,639,057.50
  5. Step 5: Solve for x
    x = 643,962,764,639,057.50/28,664,067.27
  6. Step 6: Final answer
    x = 22,465,854.50

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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.