Home / 35,453,857.32-48,930,084.60-20,781,851.52

Finding the Fourth Proportional to 35,453,857.32, 48,930,084.60 and 20,781,851.52

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Solution

The fourth proportional to 35,453,857.32, 48,930,084.60 and 20,781,851.52 is: 28,681,159.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,453,857.32 : 48,930,084.60 = 20,781,851.52 : x
  2. Step 2: Convert to fraction form
    35,453,857.32/48,930,084.60 = 20,781,851.52/x
  3. Step 3: Cross multiply
    35,453,857.32x = 48,930,084.60 × 20,781,851.52
  4. Step 4: Simplify right side
    35,453,857.32x = 1,016,857,753,018,238.62
  5. Step 5: Solve for x
    x = 1,016,857,753,018,238.62/35,453,857.32
  6. Step 6: Final answer
    x = 28,681,159.96

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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.