Home / 8,447,134.05-12,670,040.09-2,381,620.77

Finding the Fourth Proportional to 8,447,134.05, 12,670,040.09 and 2,381,620.77

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Solution

The fourth proportional to 8,447,134.05, 12,670,040.09 and 2,381,620.77 is: 3,572,244.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,447,134.05 : 12,670,040.09 = 2,381,620.77 : x
  2. Step 2: Convert to fraction form
    8,447,134.05/12,670,040.09 = 2,381,620.77/x
  3. Step 3: Cross multiply
    8,447,134.05x = 12,670,040.09 × 2,381,620.77
  4. Step 4: Simplify right side
    8,447,134.05x = 30,175,230,559,818.37
  5. Step 5: Solve for x
    x = 30,175,230,559,818.37/8,447,134.05
  6. Step 6: Final answer
    x = 3,572,244.79

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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.