Home / 12,694,838.31-17,518,626.65-7,468,411.32

Finding the Fourth Proportional to 12,694,838.31, 17,518,626.65 and 7,468,411.32

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Solution

The fourth proportional to 12,694,838.31, 17,518,626.65 and 7,468,411.32 is: 10,306,260.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,694,838.31 : 17,518,626.65 = 7,468,411.32 : x
  2. Step 2: Convert to fraction form
    12,694,838.31/17,518,626.65 = 7,468,411.32/x
  3. Step 3: Cross multiply
    12,694,838.31x = 17,518,626.65 × 7,468,411.32
  4. Step 4: Simplify right side
    12,694,838.31x = 130,836,309,546,371.62
  5. Step 5: Solve for x
    x = 130,836,309,546,371.62/12,694,838.31
  6. Step 6: Final answer
    x = 10,306,260.41

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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.