Home / 12,028,510.80-18,042,766.20-4,352,140.80

Finding the Fourth Proportional to 12,028,510.80, 18,042,766.20 and 4,352,140.80

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Solution

The fourth proportional to 12,028,510.80, 18,042,766.20 and 4,352,140.80 is: 6,528,211.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,028,510.80 : 18,042,766.20 = 4,352,140.80 : x
  2. Step 2: Convert to fraction form
    12,028,510.80/18,042,766.20 = 4,352,140.80/x
  3. Step 3: Cross multiply
    12,028,510.80x = 18,042,766.20 × 4,352,140.80
  4. Step 4: Simplify right side
    12,028,510.80x = 78,524,658,923,880.95
  5. Step 5: Solve for x
    x = 78,524,658,923,880.95/12,028,510.80
  6. Step 6: Final answer
    x = 6,528,211.20

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Double scale
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Similar ratio
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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.