Home / 7,381,279.20-11,071,918.80-2,062,495.20

Finding the Fourth Proportional to 7,381,279.20, 11,071,918.80 and 2,062,495.20

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Solution

The fourth proportional to 7,381,279.20, 11,071,918.80 and 2,062,495.20 is: 3,093,742.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,381,279.20 : 11,071,918.80 = 2,062,495.20 : x
  2. Step 2: Convert to fraction form
    7,381,279.20/11,071,918.80 = 2,062,495.20/x
  3. Step 3: Cross multiply
    7,381,279.20x = 11,071,918.80 × 2,062,495.20
  4. Step 4: Simplify right side
    7,381,279.20x = 22,835,779,379,789.76
  5. Step 5: Solve for x
    x = 22,835,779,379,789.76/7,381,279.20
  6. Step 6: Final answer
    x = 3,093,742.80

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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.