Home / 8,056,576.16-12,084,744.40-1,991,307.56

Finding the Fourth Proportional to 8,056,576.16, 12,084,744.40 and 1,991,307.56

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Solution

The fourth proportional to 8,056,576.16, 12,084,744.40 and 1,991,307.56 is: 2,986,931.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,056,576.16 : 12,084,744.40 = 1,991,307.56 : x
  2. Step 2: Convert to fraction form
    8,056,576.16/12,084,744.40 = 1,991,307.56/x
  3. Step 3: Cross multiply
    8,056,576.16x = 12,084,744.40 × 1,991,307.56
  4. Step 4: Simplify right side
    8,056,576.16x = 24,064,442,884,387.66
  5. Step 5: Solve for x
    x = 24,064,442,884,387.66/8,056,576.16
  6. Step 6: Final answer
    x = 2,986,931.72

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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.