Home / 20,029,409.88-30,036,572.10-7,246,754.52

Finding the Fourth Proportional to 20,029,409.88, 30,036,572.10 and 7,246,754.52

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Solution

The fourth proportional to 20,029,409.88, 30,036,572.10 and 7,246,754.52 is: 10,867,402.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,029,409.88 : 30,036,572.10 = 7,246,754.52 : x
  2. Step 2: Convert to fraction form
    20,029,409.88/30,036,572.10 = 7,246,754.52/x
  3. Step 3: Cross multiply
    20,029,409.88x = 30,036,572.10 × 7,246,754.52
  4. Step 4: Simplify right side
    20,029,409.88x = 217,667,664,630,980.88
  5. Step 5: Solve for x
    x = 217,667,664,630,980.88/20,029,409.88
  6. Step 6: Final answer
    x = 10,867,402.78

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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.