Home / 8,675,939.56-12,999,679.26-6,147,080.68

Finding the Fourth Proportional to 8,675,939.56, 12,999,679.26 and 6,147,080.68

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Solution

The fourth proportional to 8,675,939.56, 12,999,679.26 and 6,147,080.68 is: 9,210,538.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,675,939.56 : 12,999,679.26 = 6,147,080.68 : x
  2. Step 2: Convert to fraction form
    8,675,939.56/12,999,679.26 = 6,147,080.68/x
  3. Step 3: Cross multiply
    8,675,939.56x = 12,999,679.26 × 6,147,080.68
  4. Step 4: Simplify right side
    8,675,939.56x = 79,910,077,225,342.69
  5. Step 5: Solve for x
    x = 79,910,077,225,342.69/8,675,939.56
  6. Step 6: Final answer
    x = 9,210,538.72

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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.