Home / 29,078,518.78-40,135,194.03-18,073,579.69

Finding the Fourth Proportional to 29,078,518.78, 40,135,194.03 and 18,073,579.69

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Solution

The fourth proportional to 29,078,518.78, 40,135,194.03 and 18,073,579.69 is: 24,945,790.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,078,518.78 : 40,135,194.03 = 18,073,579.69 : x
  2. Step 2: Convert to fraction form
    29,078,518.78/40,135,194.03 = 18,073,579.69/x
  3. Step 3: Cross multiply
    29,078,518.78x = 40,135,194.03 × 18,073,579.69
  4. Step 4: Simplify right side
    29,078,518.78x = 725,386,627,674,817.38
  5. Step 5: Solve for x
    x = 725,386,627,674,817.38/29,078,518.78
  6. Step 6: Final answer
    x = 24,945,790.16

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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.