Home / 8,839,894.20-13,259,841.30-8,461,980.60

Finding the Fourth Proportional to 8,839,894.20, 13,259,841.30 and 8,461,980.60

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Solution

The fourth proportional to 8,839,894.20, 13,259,841.30 and 8,461,980.60 is: 12,692,970.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,839,894.20 : 13,259,841.30 = 8,461,980.60 : x
  2. Step 2: Convert to fraction form
    8,839,894.20/13,259,841.30 = 8,461,980.60/x
  3. Step 3: Cross multiply
    8,839,894.20x = 13,259,841.30 × 8,461,980.60
  4. Step 4: Simplify right side
    8,839,894.20x = 112,204,519,839,678.78
  5. Step 5: Solve for x
    x = 112,204,519,839,678.78/8,839,894.20
  6. Step 6: Final answer
    x = 12,692,970.90

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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.