Home / 31,525,622.73-43,499,971.48-18,291,765.81

Finding the Fourth Proportional to 31,525,622.73, 43,499,971.48 and 18,291,765.81

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Solution

The fourth proportional to 31,525,622.73, 43,499,971.48 and 18,291,765.81 is: 25,239,510.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,525,622.73 : 43,499,971.48 = 18,291,765.81 : x
  2. Step 2: Convert to fraction form
    31,525,622.73/43,499,971.48 = 18,291,765.81/x
  3. Step 3: Cross multiply
    31,525,622.73x = 43,499,971.48 × 18,291,765.81
  4. Step 4: Simplify right side
    31,525,622.73x = 795,691,291,053,839
  5. Step 5: Solve for x
    x = 795,691,291,053,839/31,525,622.73
  6. Step 6: Final answer
    x = 25,239,510.66

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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.