Home / 39,210,719.83-54,112,286.32-21,808,323.43

Finding the Fourth Proportional to 39,210,719.83, 54,112,286.32 and 21,808,323.43

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Solution

The fourth proportional to 39,210,719.83, 54,112,286.32 and 21,808,323.43 is: 30,096,316.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,210,719.83 : 54,112,286.32 = 21,808,323.43 : x
  2. Step 2: Convert to fraction form
    39,210,719.83/54,112,286.32 = 21,808,323.43/x
  3. Step 3: Cross multiply
    39,210,719.83x = 54,112,286.32 × 21,808,323.43
  4. Step 4: Simplify right side
    39,210,719.83x = 1,180,098,241,413,523
  5. Step 5: Solve for x
    x = 1,180,098,241,413,523/39,210,719.83
  6. Step 6: Final answer
    x = 30,096,316.69

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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.