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Finding the Fourth Proportional to 16,353,793.20, 24,483,450.60 and 9,976,501.20

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Solution

The fourth proportional to 16,353,793.20, 24,483,450.60 and 9,976,501.20 is: 14,935,933.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,353,793.20 : 24,483,450.60 = 9,976,501.20 : x
  2. Step 2: Convert to fraction form
    16,353,793.20/24,483,450.60 = 9,976,501.20/x
  3. Step 3: Cross multiply
    16,353,793.20x = 24,483,450.60 × 9,976,501.20
  4. Step 4: Simplify right side
    16,353,793.20x = 244,259,174,291,040.72
  5. Step 5: Solve for x
    x = 244,259,174,291,040.72/16,353,793.20
  6. Step 6: Final answer
    x = 14,935,933.90

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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.