Home / 13,480,231.20-20,220,346.80-3,895,922.40

Finding the Fourth Proportional to 13,480,231.20, 20,220,346.80 and 3,895,922.40

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Solution

The fourth proportional to 13,480,231.20, 20,220,346.80 and 3,895,922.40 is: 5,843,883.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,480,231.20 : 20,220,346.80 = 3,895,922.40 : x
  2. Step 2: Convert to fraction form
    13,480,231.20/20,220,346.80 = 3,895,922.40/x
  3. Step 3: Cross multiply
    13,480,231.20x = 20,220,346.80 × 3,895,922.40
  4. Step 4: Simplify right side
    13,480,231.20x = 78,776,902,033,888.33
  5. Step 5: Solve for x
    x = 78,776,902,033,888.33/13,480,231.20
  6. Step 6: Final answer
    x = 5,843,883.60

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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.