Home / 15,212,867.10-20,993,636.07-8,337,332.76

Finding the Fourth Proportional to 15,212,867.10, 20,993,636.07 and 8,337,332.76

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Solution

The fourth proportional to 15,212,867.10, 20,993,636.07 and 8,337,332.76 is: 11,505,453.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,212,867.10 : 20,993,636.07 = 8,337,332.76 : x
  2. Step 2: Convert to fraction form
    15,212,867.10/20,993,636.07 = 8,337,332.76/x
  3. Step 3: Cross multiply
    15,212,867.10x = 20,993,636.07 × 8,337,332.76
  4. Step 4: Simplify right side
    15,212,867.10x = 175,030,929,757,928.66
  5. Step 5: Solve for x
    x = 175,030,929,757,928.66/15,212,867.10
  6. Step 6: Final answer
    x = 11,505,453.15

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.