Home / 10,510,069.92-15,757,538.76-6,458,186.25

Finding the Fourth Proportional to 10,510,069.92, 15,757,538.76 and 6,458,186.25

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Solution

The fourth proportional to 10,510,069.92, 15,757,538.76 and 6,458,186.25 is: 9,682,630.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,510,069.92 : 15,757,538.76 = 6,458,186.25 : x
  2. Step 2: Convert to fraction form
    10,510,069.92/15,757,538.76 = 6,458,186.25/x
  3. Step 3: Cross multiply
    10,510,069.92x = 15,757,538.76 × 6,458,186.25
  4. Step 4: Simplify right side
    10,510,069.92x = 101,765,120,153,674.05
  5. Step 5: Solve for x
    x = 101,765,120,153,674.05/10,510,069.92
  6. Step 6: Final answer
    x = 9,682,630.18

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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.