Home / 30,131,097.66-45,202,464.18-12,859,046.46

Finding the Fourth Proportional to 30,131,097.66, 45,202,464.18 and 12,859,046.46

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Solution

The fourth proportional to 30,131,097.66, 45,202,464.18 and 12,859,046.46 is: 19,291,052.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,131,097.66 : 45,202,464.18 = 12,859,046.46 : x
  2. Step 2: Convert to fraction form
    30,131,097.66/45,202,464.18 = 12,859,046.46/x
  3. Step 3: Cross multiply
    30,131,097.66x = 45,202,464.18 × 12,859,046.46
  4. Step 4: Simplify right side
    30,131,097.66x = 581,260,586,997,105.88
  5. Step 5: Solve for x
    x = 581,260,586,997,105.88/30,131,097.66
  6. Step 6: Final answer
    x = 19,291,052.51

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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.