Home / 20,882,818.08-28,815,771.60-11,590,342.56

Finding the Fourth Proportional to 20,882,818.08, 28,815,771.60 and 11,590,342.56

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Solution

The fourth proportional to 20,882,818.08, 28,815,771.60 and 11,590,342.56 is: 15,993,275.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,882,818.08 : 28,815,771.60 = 11,590,342.56 : x
  2. Step 2: Convert to fraction form
    20,882,818.08/28,815,771.60 = 11,590,342.56/x
  3. Step 3: Cross multiply
    20,882,818.08x = 28,815,771.60 × 11,590,342.56
  4. Step 4: Simplify right side
    20,882,818.08x = 333,984,663,974,719.31
  5. Step 5: Solve for x
    x = 333,984,663,974,719.31/20,882,818.08
  6. Step 6: Final answer
    x = 15,993,275.56

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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.