Home / 12,215,359.04-18,323,028.11-3,117,455.91

Finding the Fourth Proportional to 12,215,359.04, 18,323,028.11 and 3,117,455.91

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Solution

The fourth proportional to 12,215,359.04, 18,323,028.11 and 3,117,455.91 is: 4,676,181.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,215,359.04 : 18,323,028.11 = 3,117,455.91 : x
  2. Step 2: Convert to fraction form
    12,215,359.04/18,323,028.11 = 3,117,455.91/x
  3. Step 3: Cross multiply
    12,215,359.04x = 18,323,028.11 × 3,117,455.91
  4. Step 4: Simplify right side
    12,215,359.04x = 57,121,232,278,409.27
  5. Step 5: Solve for x
    x = 57,121,232,278,409.27/12,215,359.04
  6. Step 6: Final answer
    x = 4,676,181.20

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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.