Home / 8,675,138.31-11,971,487.13-4,807,576.43

Finding the Fourth Proportional to 8,675,138.31, 11,971,487.13 and 4,807,576.43

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Solution

The fourth proportional to 8,675,138.31, 11,971,487.13 and 4,807,576.43 is: 6,634,342.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,675,138.31 : 11,971,487.13 = 4,807,576.43 : x
  2. Step 2: Convert to fraction form
    8,675,138.31/11,971,487.13 = 4,807,576.43/x
  3. Step 3: Cross multiply
    8,675,138.31x = 11,971,487.13 × 4,807,576.43
  4. Step 4: Simplify right side
    8,675,138.31x = 57,553,839,358,236.34
  5. Step 5: Solve for x
    x = 57,553,839,358,236.34/8,675,138.31
  6. Step 6: Final answer
    x = 6,634,342.57

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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.