Home / 20,494,548.10-28,281,703.38-11,202,039.77

Finding the Fourth Proportional to 20,494,548.10, 28,281,703.38 and 11,202,039.77

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Solution

The fourth proportional to 20,494,548.10, 28,281,703.38 and 11,202,039.77 is: 15,458,392.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,494,548.10 : 28,281,703.38 = 11,202,039.77 : x
  2. Step 2: Convert to fraction form
    20,494,548.10/28,281,703.38 = 11,202,039.77/x
  3. Step 3: Cross multiply
    20,494,548.10x = 28,281,703.38 × 11,202,039.77
  4. Step 4: Simplify right side
    20,494,548.10x = 316,812,766,026,103.38
  5. Step 5: Solve for x
    x = 316,812,766,026,103.38/20,494,548.10
  6. Step 6: Final answer
    x = 15,458,392.37

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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.