Home / 20,425,833.08-30,646,033.70-10,189,787.34

Finding the Fourth Proportional to 20,425,833.08, 30,646,033.70 and 10,189,787.34

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Solution

The fourth proportional to 20,425,833.08, 30,646,033.70 and 10,189,787.34 is: 15,288,314.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,425,833.08 : 30,646,033.70 = 10,189,787.34 : x
  2. Step 2: Convert to fraction form
    20,425,833.08/30,646,033.70 = 10,189,787.34/x
  3. Step 3: Cross multiply
    20,425,833.08x = 30,646,033.70 × 10,189,787.34
  4. Step 4: Simplify right side
    20,425,833.08x = 312,276,566,281,447.06
  5. Step 5: Solve for x
    x = 312,276,566,281,447.06/20,425,833.08
  6. Step 6: Final answer
    x = 15,288,314.81

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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.