Home / 13,780,067.00-20,656,205.51-8,666,151.59

Finding the Fourth Proportional to 13,780,067.00, 20,656,205.51 and 8,666,151.59

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Solution

The fourth proportional to 13,780,067.00, 20,656,205.51 and 8,666,151.59 is: 12,990,488.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,780,067.00 : 20,656,205.51 = 8,666,151.59 : x
  2. Step 2: Convert to fraction form
    13,780,067.00/20,656,205.51 = 8,666,151.59/x
  3. Step 3: Cross multiply
    13,780,067.00x = 20,656,205.51 × 8,666,151.59
  4. Step 4: Simplify right side
    13,780,067.00x = 179,009,808,232,163
  5. Step 5: Solve for x
    x = 179,009,808,232,163/13,780,067.00
  6. Step 6: Final answer
    x = 12,990,488.96

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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.