Home / 10,422,021.90-15,647,029.65-6,652,217.10

Finding the Fourth Proportional to 10,422,021.90, 15,647,029.65 and 6,652,217.10

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Solution

The fourth proportional to 10,422,021.90, 15,647,029.65 and 6,652,217.10 is: 9,987,259.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,422,021.90 : 15,647,029.65 = 6,652,217.10 : x
  2. Step 2: Convert to fraction form
    10,422,021.90/15,647,029.65 = 6,652,217.10/x
  3. Step 3: Cross multiply
    10,422,021.90x = 15,647,029.65 × 6,652,217.10
  4. Step 4: Simplify right side
    10,422,021.90x = 104,087,438,201,937.02
  5. Step 5: Solve for x
    x = 104,087,438,201,937.02/10,422,021.90
  6. Step 6: Final answer
    x = 9,987,259.59

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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.