Home / 21,059,475-31,585,217.58-10,265,920.44

Finding the Fourth Proportional to 21,059,475, 31,585,217.58 and 10,265,920.44

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Solution

The fourth proportional to 21,059,475, 31,585,217.58 and 10,265,920.44 is: 15,396,933.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,059,475 : 31,585,217.58 = 10,265,920.44 : x
  2. Step 2: Convert to fraction form
    21,059,475/31,585,217.58 = 10,265,920.44/x
  3. Step 3: Cross multiply
    21,059,475x = 31,585,217.58 × 10,265,920.44
  4. Step 4: Simplify right side
    21,059,475x = 324,251,330,756,369.31
  5. Step 5: Solve for x
    x = 324,251,330,756,369.31/21,059,475
  6. Step 6: Final answer
    x = 15,396,933.25

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.