Home / 8,705,024.09-13,040,509.74-7,170,222.86

Finding the Fourth Proportional to 8,705,024.09, 13,040,509.74 and 7,170,222.86

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Solution

The fourth proportional to 8,705,024.09, 13,040,509.74 and 7,170,222.86 is: 10,741,309.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,705,024.09 : 13,040,509.74 = 7,170,222.86 : x
  2. Step 2: Convert to fraction form
    8,705,024.09/13,040,509.74 = 7,170,222.86/x
  3. Step 3: Cross multiply
    8,705,024.09x = 13,040,509.74 × 7,170,222.86
  4. Step 4: Simplify right side
    8,705,024.09x = 93,503,360,978,598.11
  5. Step 5: Solve for x
    x = 93,503,360,978,598.11/8,705,024.09
  6. Step 6: Final answer
    x = 10,741,309.85

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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.