Home / 7,981,262.40-11,971,893.60-5,587,809.60

Finding the Fourth Proportional to 7,981,262.40, 11,971,893.60 and 5,587,809.60

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Solution

The fourth proportional to 7,981,262.40, 11,971,893.60 and 5,587,809.60 is: 8,381,714.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,981,262.40 : 11,971,893.60 = 5,587,809.60 : x
  2. Step 2: Convert to fraction form
    7,981,262.40/11,971,893.60 = 5,587,809.60/x
  3. Step 3: Cross multiply
    7,981,262.40x = 11,971,893.60 × 5,587,809.60
  4. Step 4: Simplify right side
    7,981,262.40x = 66,896,661,988,258.55
  5. Step 5: Solve for x
    x = 66,896,661,988,258.55/7,981,262.40
  6. Step 6: Final answer
    x = 8,381,714.40

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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.