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Finding the Fourth Proportional to 26,989,801.80, 40,472,892.90 and 10,810,375.80

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Solution

The fourth proportional to 26,989,801.80, 40,472,892.90 and 10,810,375.80 is: 16,210,833.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,989,801.80 : 40,472,892.90 = 10,810,375.80 : x
  2. Step 2: Convert to fraction form
    26,989,801.80/40,472,892.90 = 10,810,375.80/x
  3. Step 3: Cross multiply
    26,989,801.80x = 40,472,892.90 × 10,810,375.80
  4. Step 4: Simplify right side
    26,989,801.80x = 437,527,181,962,151.81
  5. Step 5: Solve for x
    x = 437,527,181,962,151.81/26,989,801.80
  6. Step 6: Final answer
    x = 16,210,833.45

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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.