Home / 31,161,025.42-43,014,215.80-27,892,072.78

Finding the Fourth Proportional to 31,161,025.42, 43,014,215.80 and 27,892,072.78

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Solution

The fourth proportional to 31,161,025.42, 43,014,215.80 and 27,892,072.78 is: 38,501,802.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,161,025.42 : 43,014,215.80 = 27,892,072.78 : x
  2. Step 2: Convert to fraction form
    31,161,025.42/43,014,215.80 = 27,892,072.78/x
  3. Step 3: Cross multiply
    31,161,025.42x = 43,014,215.80 × 27,892,072.78
  4. Step 4: Simplify right side
    31,161,025.42x = 1,199,755,637,595,555.50
  5. Step 5: Solve for x
    x = 1,199,755,637,595,555.50/31,161,025.42
  6. Step 6: Final answer
    x = 38,501,802.22

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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.