Home / 13,236,835.20-19,834,257.60-8,743,862.40

Finding the Fourth Proportional to 13,236,835.20, 19,834,257.60 and 8,743,862.40

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Solution

The fourth proportional to 13,236,835.20, 19,834,257.60 and 8,743,862.40 is: 13,101,924.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,236,835.20 : 19,834,257.60 = 8,743,862.40 : x
  2. Step 2: Convert to fraction form
    13,236,835.20/19,834,257.60 = 8,743,862.40/x
  3. Step 3: Cross multiply
    13,236,835.20x = 19,834,257.60 × 8,743,862.40
  4. Step 4: Simplify right side
    13,236,835.20x = 173,428,019,260,554.25
  5. Step 5: Solve for x
    x = 173,428,019,260,554.25/13,236,835.20
  6. Step 6: Final answer
    x = 13,101,924.79

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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.