Home / 10,987,631.40-16,481,187.90-3,009,455.40

Finding the Fourth Proportional to 10,987,631.40, 16,481,187.90 and 3,009,455.40

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Solution

The fourth proportional to 10,987,631.40, 16,481,187.90 and 3,009,455.40 is: 4,514,112.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,987,631.40 : 16,481,187.90 = 3,009,455.40 : x
  2. Step 2: Convert to fraction form
    10,987,631.40/16,481,187.90 = 3,009,455.40/x
  3. Step 3: Cross multiply
    10,987,631.40x = 16,481,187.90 × 3,009,455.40
  4. Step 4: Simplify right side
    10,987,631.40x = 49,599,399,924,069.66
  5. Step 5: Solve for x
    x = 49,599,399,924,069.66/10,987,631.40
  6. Step 6: Final answer
    x = 4,514,112.11

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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.