Home / 13,480,261.20-20,220,391.80-12,736,243.80

Finding the Fourth Proportional to 13,480,261.20, 20,220,391.80 and 12,736,243.80

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Solution

The fourth proportional to 13,480,261.20, 20,220,391.80 and 12,736,243.80 is: 19,104,365.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,480,261.20 : 20,220,391.80 = 12,736,243.80 : x
  2. Step 2: Convert to fraction form
    13,480,261.20/20,220,391.80 = 12,736,243.80/x
  3. Step 3: Cross multiply
    13,480,261.20x = 20,220,391.80 × 12,736,243.80
  4. Step 4: Simplify right side
    13,480,261.20x = 257,531,839,696,320.88
  5. Step 5: Solve for x
    x = 257,531,839,696,320.88/13,480,261.20
  6. Step 6: Final answer
    x = 19,104,365.70

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1.5x scale

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.