Home / 12,296,821.80-18,445,232.70-9,905,337.30

Finding the Fourth Proportional to 12,296,821.80, 18,445,232.70 and 9,905,337.30

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Solution

The fourth proportional to 12,296,821.80, 18,445,232.70 and 9,905,337.30 is: 14,858,005.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,296,821.80 : 18,445,232.70 = 9,905,337.30 : x
  2. Step 2: Convert to fraction form
    12,296,821.80/18,445,232.70 = 9,905,337.30/x
  3. Step 3: Cross multiply
    12,296,821.80x = 18,445,232.70 × 9,905,337.30
  4. Step 4: Simplify right side
    12,296,821.80x = 182,706,251,470,489.72
  5. Step 5: Solve for x
    x = 182,706,251,470,489.72/12,296,821.80
  6. Step 6: Final answer
    x = 14,858,005.95

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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.