Home / 31,617,350.07-43,615,112.42-19,231,231.83

Finding the Fourth Proportional to 31,617,350.07, 43,615,112.42 and 19,231,231.83

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Solution

The fourth proportional to 31,617,350.07, 43,615,112.42 and 19,231,231.83 is: 26,528,862.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,617,350.07 : 43,615,112.42 = 19,231,231.83 : x
  2. Step 2: Convert to fraction form
    31,617,350.07/43,615,112.42 = 19,231,231.83/x
  3. Step 3: Cross multiply
    31,617,350.07x = 43,615,112.42 × 19,231,231.83
  4. Step 4: Simplify right side
    31,617,350.07x = 838,772,338,144,376.12
  5. Step 5: Solve for x
    x = 838,772,338,144,376.12/31,617,350.07
  6. Step 6: Final answer
    x = 26,528,862.67

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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.