Home / 31,718,431.54-43,770,585.18-18,666,459.28

Finding the Fourth Proportional to 31,718,431.54, 43,770,585.18 and 18,666,459.28

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Solution

The fourth proportional to 31,718,431.54, 43,770,585.18 and 18,666,459.28 is: 25,759,213.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,718,431.54 : 43,770,585.18 = 18,666,459.28 : x
  2. Step 2: Convert to fraction form
    31,718,431.54/43,770,585.18 = 18,666,459.28/x
  3. Step 3: Cross multiply
    31,718,431.54x = 43,770,585.18 × 18,666,459.28
  4. Step 4: Simplify right side
    31,718,431.54x = 817,041,845,924,241.50
  5. Step 5: Solve for x
    x = 817,041,845,924,241.50/31,718,431.54
  6. Step 6: Final answer
    x = 25,759,213.37

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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.