Home / 13,468,615.20-20,202,922.80-8,083,346.40

Finding the Fourth Proportional to 13,468,615.20, 20,202,922.80 and 8,083,346.40

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Solution

The fourth proportional to 13,468,615.20, 20,202,922.80 and 8,083,346.40 is: 12,125,019.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,468,615.20 : 20,202,922.80 = 8,083,346.40 : x
  2. Step 2: Convert to fraction form
    13,468,615.20/20,202,922.80 = 8,083,346.40/x
  3. Step 3: Cross multiply
    13,468,615.20x = 20,202,922.80 × 8,083,346.40
  4. Step 4: Simplify right side
    13,468,615.20x = 163,307,223,284,857.94
  5. Step 5: Solve for x
    x = 163,307,223,284,857.94/13,468,615.20
  6. Step 6: Final answer
    x = 12,125,019.60

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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.