Home / 8,839,394.90-12,198,242.46-4,971,918.68

Finding the Fourth Proportional to 8,839,394.90, 12,198,242.46 and 4,971,918.68

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Solution

The fourth proportional to 8,839,394.90, 12,198,242.46 and 4,971,918.68 is: 6,861,178.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,839,394.90 : 12,198,242.46 = 4,971,918.68 : x
  2. Step 2: Convert to fraction form
    8,839,394.90/12,198,242.46 = 4,971,918.68/x
  3. Step 3: Cross multiply
    8,839,394.90x = 12,198,242.46 × 4,971,918.68
  4. Step 4: Simplify right side
    8,839,394.90x = 60,648,669,550,043.16
  5. Step 5: Solve for x
    x = 60,648,669,550,043.16/8,839,394.90
  6. Step 6: Final answer
    x = 6,861,178.87

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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.