Home / 29,145,370.56-40,220,805.83-15,914,639.35

Finding the Fourth Proportional to 29,145,370.56, 40,220,805.83 and 15,914,639.35

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Solution

The fourth proportional to 29,145,370.56, 40,220,805.83 and 15,914,639.35 is: 21,962,308.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,145,370.56 : 40,220,805.83 = 15,914,639.35 : x
  2. Step 2: Convert to fraction form
    29,145,370.56/40,220,805.83 = 15,914,639.35/x
  3. Step 3: Cross multiply
    29,145,370.56x = 40,220,805.83 × 15,914,639.35
  4. Step 4: Simplify right side
    29,145,370.56x = 640,099,619,150,827.38
  5. Step 5: Solve for x
    x = 640,099,619,150,827.38/29,145,370.56
  6. Step 6: Final answer
    x = 21,962,308.49

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1.5x scale

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.