Home / 16,998,753.10-25,504,034.55-7,421,005.30

Finding the Fourth Proportional to 16,998,753.10, 25,504,034.55 and 7,421,005.30

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Solution

The fourth proportional to 16,998,753.10, 25,504,034.55 and 7,421,005.30 is: 11,134,085.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,998,753.10 : 25,504,034.55 = 7,421,005.30 : x
  2. Step 2: Convert to fraction form
    16,998,753.10/25,504,034.55 = 7,421,005.30/x
  3. Step 3: Cross multiply
    16,998,753.10x = 25,504,034.55 × 7,421,005.30
  4. Step 4: Simplify right side
    16,998,753.10x = 189,265,575,566,933.12
  5. Step 5: Solve for x
    x = 189,265,575,566,933.12/16,998,753.10
  6. Step 6: Final answer
    x = 11,134,085.80

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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.