Home / 12,947,763.84-17,865,246.83-7,440,074.61

Finding the Fourth Proportional to 12,947,763.84, 17,865,246.83 and 7,440,074.61

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Solution

The fourth proportional to 12,947,763.84, 17,865,246.83 and 7,440,074.61 is: 10,265,770.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,947,763.84 : 17,865,246.83 = 7,440,074.61 : x
  2. Step 2: Convert to fraction form
    12,947,763.84/17,865,246.83 = 7,440,074.61/x
  3. Step 3: Cross multiply
    12,947,763.84x = 17,865,246.83 × 7,440,074.61
  4. Step 4: Simplify right side
    12,947,763.84x = 132,918,769,359,866.17
  5. Step 5: Solve for x
    x = 132,918,769,359,866.17/12,947,763.84
  6. Step 6: Final answer
    x = 10,265,770.29

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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.