Home / 20,538,200.45-30,812,282.96-6,161,268.26

Finding the Fourth Proportional to 20,538,200.45, 30,812,282.96 and 6,161,268.26

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Solution

The fourth proportional to 20,538,200.45, 30,812,282.96 and 6,161,268.26 is: 9,243,397.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,538,200.45 : 30,812,282.96 = 6,161,268.26 : x
  2. Step 2: Convert to fraction form
    20,538,200.45/30,812,282.96 = 6,161,268.26/x
  3. Step 3: Cross multiply
    20,538,200.45x = 30,812,282.96 × 6,161,268.26
  4. Step 4: Simplify right side
    20,538,200.45x = 189,842,740,834,719.09
  5. Step 5: Solve for x
    x = 189,842,740,834,719.09/20,538,200.45
  6. Step 6: Final answer
    x = 9,243,397.02

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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.