Home / 12,382,889.76-17,087,450.40-6,949,332

Finding the Fourth Proportional to 12,382,889.76, 17,087,450.40 and 6,949,332

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Solution

The fourth proportional to 12,382,889.76, 17,087,450.40 and 6,949,332 is: 9,589,552.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,382,889.76 : 17,087,450.40 = 6,949,332 : x
  2. Step 2: Convert to fraction form
    12,382,889.76/17,087,450.40 = 6,949,332/x
  3. Step 3: Cross multiply
    12,382,889.76x = 17,087,450.40 × 6,949,332
  4. Step 4: Simplify right side
    12,382,889.76x = 118,746,365,863,132.80
  5. Step 5: Solve for x
    x = 118,746,365,863,132.80/12,382,889.76
  6. Step 6: Final answer
    x = 9,589,552.05

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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.