Home / 28,517,167.80-42,786,249.30-9,348,550.20

Finding the Fourth Proportional to 28,517,167.80, 42,786,249.30 and 9,348,550.20

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Solution

The fourth proportional to 28,517,167.80, 42,786,249.30 and 9,348,550.20 is: 14,026,266.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,517,167.80 : 42,786,249.30 = 9,348,550.20 : x
  2. Step 2: Convert to fraction form
    28,517,167.80/42,786,249.30 = 9,348,550.20/x
  3. Step 3: Cross multiply
    28,517,167.80x = 42,786,249.30 × 9,348,550.20
  4. Step 4: Simplify right side
    28,517,167.80x = 399,989,399,450,764.81
  5. Step 5: Solve for x
    x = 399,989,399,450,764.81/28,517,167.80
  6. Step 6: Final answer
    x = 14,026,266.64

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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.