Home / 13,764,340.80-20,662,257.60-8,087,763.60

Finding the Fourth Proportional to 13,764,340.80, 20,662,257.60 and 8,087,763.60

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Solution

The fourth proportional to 13,764,340.80, 20,662,257.60 and 8,087,763.60 is: 12,140,897.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,764,340.80 : 20,662,257.60 = 8,087,763.60 : x
  2. Step 2: Convert to fraction form
    13,764,340.80/20,662,257.60 = 8,087,763.60/x
  3. Step 3: Cross multiply
    13,764,340.80x = 20,662,257.60 × 8,087,763.60
  4. Step 4: Simplify right side
    13,764,340.80x = 167,111,454,911,103.38
  5. Step 5: Solve for x
    x = 167,111,454,911,103.38/13,764,340.80
  6. Step 6: Final answer
    x = 12,140,897.80

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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.