Home / 11,900,000.25-17,849,998.80-7,855,540.43

Finding the Fourth Proportional to 11,900,000.25, 17,849,998.80 and 7,855,540.43

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Solution

The fourth proportional to 11,900,000.25, 17,849,998.80 and 7,855,540.43 is: 11,783,309.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,900,000.25 : 17,849,998.80 = 7,855,540.43 : x
  2. Step 2: Convert to fraction form
    11,900,000.25/17,849,998.80 = 7,855,540.43/x
  3. Step 3: Cross multiply
    11,900,000.25x = 17,849,998.80 × 7,855,540.43
  4. Step 4: Simplify right side
    11,900,000.25x = 140,221,387,159,601.50
  5. Step 5: Solve for x
    x = 140,221,387,159,601.50/11,900,000.25
  6. Step 6: Final answer
    x = 11,783,309.60

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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.