Home / 26,990,541.60-40,441,022.64-18,995,569.44

Finding the Fourth Proportional to 26,990,541.60, 40,441,022.64 and 18,995,569.44

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Solution

The fourth proportional to 26,990,541.60, 40,441,022.64 and 18,995,569.44 is: 28,461,831.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,990,541.60 : 40,441,022.64 = 18,995,569.44 : x
  2. Step 2: Convert to fraction form
    26,990,541.60/40,441,022.64 = 18,995,569.44/x
  3. Step 3: Cross multiply
    26,990,541.60x = 40,441,022.64 × 18,995,569.44
  4. Step 4: Simplify right side
    26,990,541.60x = 768,200,253,782,732.12
  5. Step 5: Solve for x
    x = 768,200,253,782,732.12/26,990,541.60
  6. Step 6: Final answer
    x = 28,461,831.75

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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.