Home / 21,428,568.22-32,143,518.93-10,196,025.50

Finding the Fourth Proportional to 21,428,568.22, 32,143,518.93 and 10,196,025.50

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Solution

The fourth proportional to 21,428,568.22, 32,143,518.93 and 10,196,025.50 is: 15,294,355.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,428,568.22 : 32,143,518.93 = 10,196,025.50 : x
  2. Step 2: Convert to fraction form
    21,428,568.22/32,143,518.93 = 10,196,025.50/x
  3. Step 3: Cross multiply
    21,428,568.22x = 32,143,518.93 × 10,196,025.50
  4. Step 4: Simplify right side
    21,428,568.22x = 327,736,138,629,833.31
  5. Step 5: Solve for x
    x = 327,736,138,629,833.31/21,428,568.22
  6. Step 6: Final answer
    x = 15,294,355.43

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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.