Home / 12,382,656.90-17,088,120.18-6,876,014.91

Finding the Fourth Proportional to 12,382,656.90, 17,088,120.18 and 6,876,014.91

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Solution

The fourth proportional to 12,382,656.90, 17,088,120.18 and 6,876,014.91 is: 9,488,930.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,382,656.90 : 17,088,120.18 = 6,876,014.91 : x
  2. Step 2: Convert to fraction form
    12,382,656.90/17,088,120.18 = 6,876,014.91/x
  3. Step 3: Cross multiply
    12,382,656.90x = 17,088,120.18 × 6,876,014.91
  4. Step 4: Simplify right side
    12,382,656.90x = 117,498,169,141,551.89
  5. Step 5: Solve for x
    x = 117,498,169,141,551.89/12,382,656.90
  6. Step 6: Final answer
    x = 9,488,930.37

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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.