Home / 15,072,443.34-20,799,774.27-8,196,778.86

Finding the Fourth Proportional to 15,072,443.34, 20,799,774.27 and 8,196,778.86

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Solution

The fourth proportional to 15,072,443.34, 20,799,774.27 and 8,196,778.86 is: 11,311,447.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,072,443.34 : 20,799,774.27 = 8,196,778.86 : x
  2. Step 2: Convert to fraction form
    15,072,443.34/20,799,774.27 = 8,196,778.86/x
  3. Step 3: Cross multiply
    15,072,443.34x = 20,799,774.27 × 8,196,778.86
  4. Step 4: Simplify right side
    15,072,443.34x = 170,491,150,029,107.94
  5. Step 5: Solve for x
    x = 170,491,150,029,107.94/15,072,443.34
  6. Step 6: Final answer
    x = 11,311,447.40

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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.