Home / 7,858,890.60-11,789,834.44-2,742,781.80

Finding the Fourth Proportional to 7,858,890.60, 11,789,834.44 and 2,742,781.80

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Solution

The fourth proportional to 7,858,890.60, 11,789,834.44 and 2,742,781.80 is: 4,114,695.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,858,890.60 : 11,789,834.44 = 2,742,781.80 : x
  2. Step 2: Convert to fraction form
    7,858,890.60/11,789,834.44 = 2,742,781.80/x
  3. Step 3: Cross multiply
    7,858,890.60x = 11,789,834.44 × 2,742,781.80
  4. Step 4: Simplify right side
    7,858,890.60x = 32,336,943,327,045.19
  5. Step 5: Solve for x
    x = 32,336,943,327,045.19/7,858,890.60
  6. Step 6: Final answer
    x = 4,114,695.70

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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.