Home / 12,883,286.40-19,324,929.60-12,253,430.40

Finding the Fourth Proportional to 12,883,286.40, 19,324,929.60 and 12,253,430.40

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Solution

The fourth proportional to 12,883,286.40, 19,324,929.60 and 12,253,430.40 is: 18,380,145.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,883,286.40 : 19,324,929.60 = 12,253,430.40 : x
  2. Step 2: Convert to fraction form
    12,883,286.40/19,324,929.60 = 12,253,430.40/x
  3. Step 3: Cross multiply
    12,883,286.40x = 19,324,929.60 × 12,253,430.40
  4. Step 4: Simplify right side
    12,883,286.40x = 236,796,679,838,499.88
  5. Step 5: Solve for x
    x = 236,796,679,838,499.88/12,883,286.40
  6. Step 6: Final answer
    x = 18,380,145.60

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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.