Home / 31,046,841.70-42,842,871.82-17,813,213.44

Finding the Fourth Proportional to 31,046,841.70, 42,842,871.82 and 17,813,213.44

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Solution

The fourth proportional to 31,046,841.70, 42,842,871.82 and 17,813,213.44 is: 24,581,219.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,046,841.70 : 42,842,871.82 = 17,813,213.44 : x
  2. Step 2: Convert to fraction form
    31,046,841.70/42,842,871.82 = 17,813,213.44/x
  3. Step 3: Cross multiply
    31,046,841.70x = 42,842,871.82 × 17,813,213.44
  4. Step 4: Simplify right side
    31,046,841.70x = 763,169,220,027,380.62
  5. Step 5: Solve for x
    x = 763,169,220,027,380.62/31,046,841.70
  6. Step 6: Final answer
    x = 24,581,219.16

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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.