Home / 40,299,112-55,612,795.32-22,895,487.64

Finding the Fourth Proportional to 40,299,112, 55,612,795.32 and 22,895,487.64

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Solution

The fourth proportional to 40,299,112, 55,612,795.32 and 22,895,487.64 is: 31,595,784.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,299,112 : 55,612,795.32 = 22,895,487.64 : x
  2. Step 2: Convert to fraction form
    40,299,112/55,612,795.32 = 22,895,487.64/x
  3. Step 3: Cross multiply
    40,299,112x = 55,612,795.32 × 22,895,487.64
  4. Step 4: Simplify right side
    40,299,112x = 1,273,282,067,874,910
  5. Step 5: Solve for x
    x = 1,273,282,067,874,910/40,299,112
  6. Step 6: Final answer
    x = 31,595,784.74

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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.