Home / 15,204,714.98-20,984,011.71-8,679,325.82

Finding the Fourth Proportional to 15,204,714.98, 20,984,011.71 and 8,679,325.82

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Solution

The fourth proportional to 15,204,714.98, 20,984,011.71 and 8,679,325.82 is: 11,978,328.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,204,714.98 : 20,984,011.71 = 8,679,325.82 : x
  2. Step 2: Convert to fraction form
    15,204,714.98/20,984,011.71 = 8,679,325.82/x
  3. Step 3: Cross multiply
    15,204,714.98x = 20,984,011.71 × 8,679,325.82
  4. Step 4: Simplify right side
    15,204,714.98x = 182,127,074,641,785.38
  5. Step 5: Solve for x
    x = 182,127,074,641,785.38/15,204,714.98
  6. Step 6: Final answer
    x = 11,978,328.75

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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.