Home / 7,981,194.60-11,971,791.90-7,855,223.40

Finding the Fourth Proportional to 7,981,194.60, 11,971,791.90 and 7,855,223.40

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Solution

The fourth proportional to 7,981,194.60, 11,971,791.90 and 7,855,223.40 is: 11,782,835.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,981,194.60 : 11,971,791.90 = 7,855,223.40 : x
  2. Step 2: Convert to fraction form
    7,981,194.60/11,971,791.90 = 7,855,223.40/x
  3. Step 3: Cross multiply
    7,981,194.60x = 11,971,791.90 × 7,855,223.40
  4. Step 4: Simplify right side
    7,981,194.60x = 94,041,099,872,810.47
  5. Step 5: Solve for x
    x = 94,041,099,872,810.47/7,981,194.60
  6. Step 6: Final answer
    x = 11,782,835.10

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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.