Home / 12,296,730.30-18,445,095.45-9,905,245.80

Finding the Fourth Proportional to 12,296,730.30, 18,445,095.45 and 9,905,245.80

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Solution

The fourth proportional to 12,296,730.30, 18,445,095.45 and 9,905,245.80 is: 14,857,868.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,296,730.30 : 18,445,095.45 = 9,905,245.80 : x
  2. Step 2: Convert to fraction form
    12,296,730.30/18,445,095.45 = 9,905,245.80/x
  3. Step 3: Cross multiply
    12,296,730.30x = 18,445,095.45 × 9,905,245.80
  4. Step 4: Simplify right side
    12,296,730.30x = 182,703,204,236,711.62
  5. Step 5: Solve for x
    x = 182,703,204,236,711.62/12,296,730.30
  6. Step 6: Final answer
    x = 14,857,868.70

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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.