Home / 29,145,370.31-40,220,805.48-15,914,639.10

Finding the Fourth Proportional to 29,145,370.31, 40,220,805.48 and 15,914,639.10

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Solution

The fourth proportional to 29,145,370.31, 40,220,805.48 and 15,914,639.10 is: 21,962,308.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,145,370.31 : 40,220,805.48 = 15,914,639.10 : x
  2. Step 2: Convert to fraction form
    29,145,370.31/40,220,805.48 = 15,914,639.10/x
  3. Step 3: Cross multiply
    29,145,370.31x = 40,220,805.48 × 15,914,639.10
  4. Step 4: Simplify right side
    29,145,370.31x = 640,099,603,525,502.25
  5. Step 5: Solve for x
    x = 640,099,603,525,502.25/29,145,370.31
  6. Step 6: Final answer
    x = 21,962,308.14

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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.