Home / 29,940,432-41,317,767.36-16,189,363.20

Finding the Fourth Proportional to 29,940,432, 41,317,767.36 and 16,189,363.20

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Solution

The fourth proportional to 29,940,432, 41,317,767.36 and 16,189,363.20 is: 22,341,305.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,940,432 : 41,317,767.36 = 16,189,363.20 : x
  2. Step 2: Convert to fraction form
    29,940,432/41,317,767.36 = 16,189,363.20/x
  3. Step 3: Cross multiply
    29,940,432x = 41,317,767.36 × 16,189,363.20
  4. Step 4: Simplify right side
    29,940,432x = 668,908,342,404,145.12
  5. Step 5: Solve for x
    x = 668,908,342,404,145.12/29,940,432
  6. Step 6: Final answer
    x = 22,341,305.64

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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.