Home / 13,153,224.30-19,729,836.45-12,145,454.70

Finding the Fourth Proportional to 13,153,224.30, 19,729,836.45 and 12,145,454.70

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Solution

The fourth proportional to 13,153,224.30, 19,729,836.45 and 12,145,454.70 is: 18,218,182.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,153,224.30 : 19,729,836.45 = 12,145,454.70 : x
  2. Step 2: Convert to fraction form
    13,153,224.30/19,729,836.45 = 12,145,454.70/x
  3. Step 3: Cross multiply
    13,153,224.30x = 19,729,836.45 × 12,145,454.70
  4. Step 4: Simplify right side
    13,153,224.30x = 239,627,834,841,883.78
  5. Step 5: Solve for x
    x = 239,627,834,841,883.78/13,153,224.30
  6. Step 6: Final answer
    x = 18,218,182.05

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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.