Home / 20,627,819.56-30,941,737.98-7,845,371.56

Finding the Fourth Proportional to 20,627,819.56, 30,941,737.98 and 7,845,371.56

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Solution

The fourth proportional to 20,627,819.56, 30,941,737.98 and 7,845,371.56 is: 11,768,060.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,627,819.56 : 30,941,737.98 = 7,845,371.56 : x
  2. Step 2: Convert to fraction form
    20,627,819.56/30,941,737.98 = 7,845,371.56/x
  3. Step 3: Cross multiply
    20,627,819.56x = 30,941,737.98 × 7,845,371.56
  4. Step 4: Simplify right side
    20,627,819.56x = 242,749,431,165,263.84
  5. Step 5: Solve for x
    x = 242,749,431,165,263.84/20,627,819.56
  6. Step 6: Final answer
    x = 11,768,060.63

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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.