Home / 26,600,917.43-39,869,026.69-18,822,072.90

Finding the Fourth Proportional to 26,600,917.43, 39,869,026.69 and 18,822,072.90

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Solution

The fourth proportional to 26,600,917.43, 39,869,026.69 and 18,822,072.90 is: 28,210,219.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,600,917.43 : 39,869,026.69 = 18,822,072.90 : x
  2. Step 2: Convert to fraction form
    26,600,917.43/39,869,026.69 = 18,822,072.90/x
  3. Step 3: Cross multiply
    26,600,917.43x = 39,869,026.69 × 18,822,072.90
  4. Step 4: Simplify right side
    26,600,917.43x = 750,417,726,699,005.75
  5. Step 5: Solve for x
    x = 750,417,726,699,005.75/26,600,917.43
  6. Step 6: Final answer
    x = 28,210,219.76

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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.