Home / 13,663,753.13-18,855,977.96-7,468,824.73

Finding the Fourth Proportional to 13,663,753.13, 18,855,977.96 and 7,468,824.73

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Solution

The fourth proportional to 13,663,753.13, 18,855,977.96 and 7,468,824.73 is: 10,306,977.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,663,753.13 : 18,855,977.96 = 7,468,824.73 : x
  2. Step 2: Convert to fraction form
    13,663,753.13/18,855,977.96 = 7,468,824.73/x
  3. Step 3: Cross multiply
    13,663,753.13x = 18,855,977.96 × 7,468,824.73
  4. Step 4: Simplify right side
    13,663,753.13x = 140,831,994,411,498.88
  5. Step 5: Solve for x
    x = 140,831,994,411,498.88/13,663,753.13
  6. Step 6: Final answer
    x = 10,306,977.38

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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.