Home / 12,482,022.80-18,723,034.20-10,466,483.60

Finding the Fourth Proportional to 12,482,022.80, 18,723,034.20 and 10,466,483.60

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Solution

The fourth proportional to 12,482,022.80, 18,723,034.20 and 10,466,483.60 is: 15,699,725.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,482,022.80 : 18,723,034.20 = 10,466,483.60 : x
  2. Step 2: Convert to fraction form
    12,482,022.80/18,723,034.20 = 10,466,483.60/x
  3. Step 3: Cross multiply
    12,482,022.80x = 18,723,034.20 × 10,466,483.60
  4. Step 4: Simplify right side
    12,482,022.80x = 195,964,330,396,539.09
  5. Step 5: Solve for x
    x = 195,964,330,396,539.09/12,482,022.80
  6. Step 6: Final answer
    x = 15,699,725.40

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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.