Home / 33,011,750.40-49,517,625.60-20,918,515.20

Finding the Fourth Proportional to 33,011,750.40, 49,517,625.60 and 20,918,515.20

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Solution

The fourth proportional to 33,011,750.40, 49,517,625.60 and 20,918,515.20 is: 31,377,772.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,011,750.40 : 49,517,625.60 = 20,918,515.20 : x
  2. Step 2: Convert to fraction form
    33,011,750.40/49,517,625.60 = 20,918,515.20/x
  3. Step 3: Cross multiply
    33,011,750.40x = 49,517,625.60 × 20,918,515.20
  4. Step 4: Simplify right side
    33,011,750.40x = 1,035,835,203,781,509.12
  5. Step 5: Solve for x
    x = 1,035,835,203,781,509.12/33,011,750.40
  6. Step 6: Final answer
    x = 31,377,772.80

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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.