Home / 9,986,851.62-13,781,850.57-5,636,850.30

Finding the Fourth Proportional to 9,986,851.62, 13,781,850.57 and 5,636,850.30

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Solution

The fourth proportional to 9,986,851.62, 13,781,850.57 and 5,636,850.30 is: 7,778,850.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,986,851.62 : 13,781,850.57 = 5,636,850.30 : x
  2. Step 2: Convert to fraction form
    9,986,851.62/13,781,850.57 = 5,636,850.30/x
  3. Step 3: Cross multiply
    9,986,851.62x = 13,781,850.57 × 5,636,850.30
  4. Step 4: Simplify right side
    9,986,851.62x = 77,686,228,520,059.67
  5. Step 5: Solve for x
    x = 77,686,228,520,059.67/9,986,851.62
  6. Step 6: Final answer
    x = 7,778,850.78

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.