Home / 12,694,836.81-17,518,624.58-7,468,409.82

Finding the Fourth Proportional to 12,694,836.81, 17,518,624.58 and 7,468,409.82

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Solution

The fourth proportional to 12,694,836.81, 17,518,624.58 and 7,468,409.82 is: 10,306,258.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,694,836.81 : 17,518,624.58 = 7,468,409.82 : x
  2. Step 2: Convert to fraction form
    12,694,836.81/17,518,624.58 = 7,468,409.82/x
  3. Step 3: Cross multiply
    12,694,836.81x = 17,518,624.58 × 7,468,409.82
  4. Step 4: Simplify right side
    12,694,836.81x = 130,836,267,930,531.25
  5. Step 5: Solve for x
    x = 130,836,267,930,531.25/12,694,836.81
  6. Step 6: Final answer
    x = 10,306,258.35

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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.