Home / 19,935,619.40-29,917,425.90-8,584,214.60

Finding the Fourth Proportional to 19,935,619.40, 29,917,425.90 and 8,584,214.60

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Solution

The fourth proportional to 19,935,619.40, 29,917,425.90 and 8,584,214.60 is: 12,882,348.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,935,619.40 : 29,917,425.90 = 8,584,214.60 : x
  2. Step 2: Convert to fraction form
    19,935,619.40/29,917,425.90 = 8,584,214.60/x
  3. Step 3: Cross multiply
    19,935,619.40x = 29,917,425.90 × 8,584,214.60
  4. Step 4: Simplify right side
    19,935,619.40x = 256,817,604,205,198.12
  5. Step 5: Solve for x
    x = 256,817,604,205,198.12/19,935,619.40
  6. Step 6: Final answer
    x = 12,882,348.88

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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.