Home / 20,232,853.86-30,337,125.82-9,289,348.68

Finding the Fourth Proportional to 20,232,853.86, 30,337,125.82 and 9,289,348.68

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Solution

The fourth proportional to 20,232,853.86, 30,337,125.82 and 9,289,348.68 is: 13,928,442.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,232,853.86 : 30,337,125.82 = 9,289,348.68 : x
  2. Step 2: Convert to fraction form
    20,232,853.86/30,337,125.82 = 9,289,348.68/x
  3. Step 3: Cross multiply
    20,232,853.86x = 30,337,125.82 × 9,289,348.68
  4. Step 4: Simplify right side
    20,232,853.86x = 281,812,139,691,010.94
  5. Step 5: Solve for x
    x = 281,812,139,691,010.94/20,232,853.86
  6. Step 6: Final answer
    x = 13,928,442.41

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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.