Home / 25,896,692-38,841,937.56-20,145,172

Finding the Fourth Proportional to 25,896,692, 38,841,937.56 and 20,145,172

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Solution

The fourth proportional to 25,896,692, 38,841,937.56 and 20,145,172 is: 30,215,346.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,896,692 : 38,841,937.56 = 20,145,172 : x
  2. Step 2: Convert to fraction form
    25,896,692/38,841,937.56 = 20,145,172/x
  3. Step 3: Cross multiply
    25,896,692x = 38,841,937.56 × 20,145,172
  4. Step 4: Simplify right side
    25,896,692x = 782,477,512,959,460.38
  5. Step 5: Solve for x
    x = 782,477,512,959,460.38/25,896,692
  6. Step 6: Final answer
    x = 30,215,346.15

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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.