Home / 18,340,511.10-27,510,766.65-15,821,087.10

Finding the Fourth Proportional to 18,340,511.10, 27,510,766.65 and 15,821,087.10

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Solution

The fourth proportional to 18,340,511.10, 27,510,766.65 and 15,821,087.10 is: 23,731,630.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,340,511.10 : 27,510,766.65 = 15,821,087.10 : x
  2. Step 2: Convert to fraction form
    18,340,511.10/27,510,766.65 = 15,821,087.10/x
  3. Step 3: Cross multiply
    18,340,511.10x = 27,510,766.65 × 15,821,087.10
  4. Step 4: Simplify right side
    18,340,511.10x = 435,250,235,357,425.19
  5. Step 5: Solve for x
    x = 435,250,235,357,425.19/18,340,511.10
  6. Step 6: Final answer
    x = 23,731,630.65

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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.