Home / 25,896,691-38,841,936.06-20,145,171

Finding the Fourth Proportional to 25,896,691, 38,841,936.06 and 20,145,171

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Solution

The fourth proportional to 25,896,691, 38,841,936.06 and 20,145,171 is: 30,215,344.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,896,691 : 38,841,936.06 = 20,145,171 : x
  2. Step 2: Convert to fraction form
    25,896,691/38,841,936.06 = 20,145,171/x
  3. Step 3: Cross multiply
    25,896,691x = 38,841,936.06 × 20,145,171
  4. Step 4: Simplify right side
    25,896,691x = 782,477,443,899,766.25
  5. Step 5: Solve for x
    x = 782,477,443,899,766.25/25,896,691
  6. Step 6: Final answer
    x = 30,215,344.65

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.