Home / 28,012,917.70-41,996,048.55-11,851,279.30

Finding the Fourth Proportional to 28,012,917.70, 41,996,048.55 and 11,851,279.30

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Solution

The fourth proportional to 28,012,917.70, 41,996,048.55 and 11,851,279.30 is: 17,767,049.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,012,917.70 : 41,996,048.55 = 11,851,279.30 : x
  2. Step 2: Convert to fraction form
    28,012,917.70/41,996,048.55 = 11,851,279.30/x
  3. Step 3: Cross multiply
    28,012,917.70x = 41,996,048.55 × 11,851,279.30
  4. Step 4: Simplify right side
    28,012,917.70x = 497,706,900,862,410
  5. Step 5: Solve for x
    x = 497,706,900,862,410/28,012,917.70
  6. Step 6: Final answer
    x = 17,767,049.69

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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.