Home / 29,145,370.57-40,220,805.83-15,914,639.35

Finding the Fourth Proportional to 29,145,370.57, 40,220,805.83 and 15,914,639.35

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Solution

The fourth proportional to 29,145,370.57, 40,220,805.83 and 15,914,639.35 is: 21,962,308.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,145,370.57 : 40,220,805.83 = 15,914,639.35 : x
  2. Step 2: Convert to fraction form
    29,145,370.57/40,220,805.83 = 15,914,639.35/x
  3. Step 3: Cross multiply
    29,145,370.57x = 40,220,805.83 × 15,914,639.35
  4. Step 4: Simplify right side
    29,145,370.57x = 640,099,619,071,254.25
  5. Step 5: Solve for x
    x = 640,099,619,071,254.25/29,145,370.57
  6. Step 6: Final answer
    x = 21,962,308.48

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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.