Home / 20,434,098.10-28,205,888.53-12,176,750.52

Finding the Fourth Proportional to 20,434,098.10, 28,205,888.53 and 12,176,750.52

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Solution

The fourth proportional to 20,434,098.10, 28,205,888.53 and 12,176,750.52 is: 16,807,987.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,434,098.10 : 28,205,888.53 = 12,176,750.52 : x
  2. Step 2: Convert to fraction form
    20,434,098.10/28,205,888.53 = 12,176,750.52/x
  3. Step 3: Cross multiply
    20,434,098.10x = 28,205,888.53 × 12,176,750.52
  4. Step 4: Simplify right side
    20,434,098.10x = 343,456,067,824,739.56
  5. Step 5: Solve for x
    x = 343,456,067,824,739.56/20,434,098.10
  6. Step 6: Final answer
    x = 16,807,987.62

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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.