Home / 8,839,892.70-13,259,839.05-8,461,979.10

Finding the Fourth Proportional to 8,839,892.70, 13,259,839.05 and 8,461,979.10

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Solution

The fourth proportional to 8,839,892.70, 13,259,839.05 and 8,461,979.10 is: 12,692,968.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,839,892.70 : 13,259,839.05 = 8,461,979.10 : x
  2. Step 2: Convert to fraction form
    8,839,892.70/13,259,839.05 = 8,461,979.10/x
  3. Step 3: Cross multiply
    8,839,892.70x = 13,259,839.05 × 8,461,979.10
  4. Step 4: Simplify right side
    8,839,892.70x = 112,204,480,910,463.86
  5. Step 5: Solve for x
    x = 112,204,480,910,463.86/8,839,892.70
  6. Step 6: Final answer
    x = 12,692,968.65

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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.