Home / 13,480,215.40-20,220,323.10-3,895,906.60

Finding the Fourth Proportional to 13,480,215.40, 20,220,323.10 and 3,895,906.60

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Solution

The fourth proportional to 13,480,215.40, 20,220,323.10 and 3,895,906.60 is: 5,843,859.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,480,215.40 : 20,220,323.10 = 3,895,906.60 : x
  2. Step 2: Convert to fraction form
    13,480,215.40/20,220,323.10 = 3,895,906.60/x
  3. Step 3: Cross multiply
    13,480,215.40x = 20,220,323.10 × 3,895,906.60
  4. Step 4: Simplify right side
    13,480,215.40x = 78,776,490,219,422.47
  5. Step 5: Solve for x
    x = 78,776,490,219,422.47/13,480,215.40
  6. Step 6: Final answer
    x = 5,843,859.90

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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.