Home / 13,608,733.20-20,413,099.80-8,223,464.40

Finding the Fourth Proportional to 13,608,733.20, 20,413,099.80 and 8,223,464.40

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Solution

The fourth proportional to 13,608,733.20, 20,413,099.80 and 8,223,464.40 is: 12,335,196.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,608,733.20 : 20,413,099.80 = 8,223,464.40 : x
  2. Step 2: Convert to fraction form
    13,608,733.20/20,413,099.80 = 8,223,464.40/x
  3. Step 3: Cross multiply
    13,608,733.20x = 20,413,099.80 × 8,223,464.40
  4. Step 4: Simplify right side
    13,608,733.20x = 167,866,399,498,947.12
  5. Step 5: Solve for x
    x = 167,866,399,498,947.12/13,608,733.20
  6. Step 6: Final answer
    x = 12,335,196.60

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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.