Home / 28,678,677.57-43,035,952.94-11,639,350.51

Finding the Fourth Proportional to 28,678,677.57, 43,035,952.94 and 11,639,350.51

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Solution

The fourth proportional to 28,678,677.57, 43,035,952.94 and 11,639,350.51 is: 17,466,305.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,678,677.57 : 43,035,952.94 = 11,639,350.51 : x
  2. Step 2: Convert to fraction form
    28,678,677.57/43,035,952.94 = 11,639,350.51/x
  3. Step 3: Cross multiply
    28,678,677.57x = 43,035,952.94 × 11,639,350.51
  4. Step 4: Simplify right side
    28,678,677.57x = 500,910,540,800,524.94
  5. Step 5: Solve for x
    x = 500,910,540,800,524.94/28,678,677.57
  6. Step 6: Final answer
    x = 17,466,305.40

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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.