Home / 40,042,612.98-55,256,678.01-22,637,917.80

Finding the Fourth Proportional to 40,042,612.98, 55,256,678.01 and 22,637,917.80

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Solution

The fourth proportional to 40,042,612.98, 55,256,678.01 and 22,637,917.80 is: 31,239,123.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,042,612.98 : 55,256,678.01 = 22,637,917.80 : x
  2. Step 2: Convert to fraction form
    40,042,612.98/55,256,678.01 = 22,637,917.80/x
  3. Step 3: Cross multiply
    40,042,612.98x = 55,256,678.01 × 22,637,917.80
  4. Step 4: Simplify right side
    40,042,612.98x = 1,250,896,134,691,447.50
  5. Step 5: Solve for x
    x = 1,250,896,134,691,447.50/40,042,612.98
  6. Step 6: Final answer
    x = 31,239,123.56

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.