Home / 12,259,472.70-18,393,145.65-5,433,408.30

Finding the Fourth Proportional to 12,259,472.70, 18,393,145.65 and 5,433,408.30

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Solution

The fourth proportional to 12,259,472.70, 18,393,145.65 and 5,433,408.30 is: 8,151,857.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,259,472.70 : 18,393,145.65 = 5,433,408.30 : x
  2. Step 2: Convert to fraction form
    12,259,472.70/18,393,145.65 = 5,433,408.30/x
  3. Step 3: Cross multiply
    12,259,472.70x = 18,393,145.65 × 5,433,408.30
  4. Step 4: Simplify right side
    12,259,472.70x = 99,937,470,237,818.89
  5. Step 5: Solve for x
    x = 99,937,470,237,818.89/12,259,472.70
  6. Step 6: Final answer
    x = 8,151,857.15

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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.