Home / 26,889,732.90-40,312,718.61-8,436,191.60

Finding the Fourth Proportional to 26,889,732.90, 40,312,718.61 and 8,436,191.60

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Solution

The fourth proportional to 26,889,732.90, 40,312,718.61 and 8,436,191.60 is: 12,647,422.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,889,732.90 : 40,312,718.61 = 8,436,191.60 : x
  2. Step 2: Convert to fraction form
    26,889,732.90/40,312,718.61 = 8,436,191.60/x
  3. Step 3: Cross multiply
    26,889,732.90x = 40,312,718.61 × 8,436,191.60
  4. Step 4: Simplify right side
    26,889,732.90x = 340,085,818,110,845.62
  5. Step 5: Solve for x
    x = 340,085,818,110,845.62/26,889,732.90
  6. Step 6: Final answer
    x = 12,647,422.69

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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.