Home / 8,676,969.70-13,006,597.20-5,080,885.60

Finding the Fourth Proportional to 8,676,969.70, 13,006,597.20 and 5,080,885.60

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Solution

The fourth proportional to 8,676,969.70, 13,006,597.20 and 5,080,885.60 is: 7,616,141.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,676,969.70 : 13,006,597.20 = 5,080,885.60 : x
  2. Step 2: Convert to fraction form
    8,676,969.70/13,006,597.20 = 5,080,885.60/x
  3. Step 3: Cross multiply
    8,676,969.70x = 13,006,597.20 × 5,080,885.60
  4. Step 4: Simplify right side
    8,676,969.70x = 66,085,032,418,480.31
  5. Step 5: Solve for x
    x = 66,085,032,418,480.31/8,676,969.70
  6. Step 6: Final answer
    x = 7,616,141.89

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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.