Home / 11,700,721.40-17,530,086.90-10,021,105.40

Finding the Fourth Proportional to 11,700,721.40, 17,530,086.90 and 10,021,105.40

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Solution

The fourth proportional to 11,700,721.40, 17,530,086.90 and 10,021,105.40 is: 15,013,676.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,700,721.40 : 17,530,086.90 = 10,021,105.40 : x
  2. Step 2: Convert to fraction form
    11,700,721.40/17,530,086.90 = 10,021,105.40/x
  3. Step 3: Cross multiply
    11,700,721.40x = 17,530,086.90 × 10,021,105.40
  4. Step 4: Simplify right side
    11,700,721.40x = 175,670,848,496,059.25
  5. Step 5: Solve for x
    x = 175,670,848,496,059.25/11,700,721.40
  6. Step 6: Final answer
    x = 15,013,676.72

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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.