Home / 7,721,063.10-10,646,370.47-6,321,273.75

Finding the Fourth Proportional to 7,721,063.10, 10,646,370.47 and 6,321,273.75

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Solution

The fourth proportional to 7,721,063.10, 10,646,370.47 and 6,321,273.75 is: 8,716,237.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,721,063.10 : 10,646,370.47 = 6,321,273.75 : x
  2. Step 2: Convert to fraction form
    7,721,063.10/10,646,370.47 = 6,321,273.75/x
  3. Step 3: Cross multiply
    7,721,063.10x = 10,646,370.47 × 6,321,273.75
  4. Step 4: Simplify right side
    7,721,063.10x = 67,298,622,200,589.35
  5. Step 5: Solve for x
    x = 67,298,622,200,589.35/7,721,063.10
  6. Step 6: Final answer
    x = 8,716,237.82

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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.