Home / 10,269,868-14,172,860.86-5,686,189.38

Finding the Fourth Proportional to 10,269,868, 14,172,860.86 and 5,686,189.38

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Solution

The fourth proportional to 10,269,868, 14,172,860.86 and 5,686,189.38 is: 7,847,186.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,269,868 : 14,172,860.86 = 5,686,189.38 : x
  2. Step 2: Convert to fraction form
    10,269,868/14,172,860.86 = 5,686,189.38/x
  3. Step 3: Cross multiply
    10,269,868x = 14,172,860.86 × 5,686,189.38
  4. Step 4: Simplify right side
    10,269,868x = 80,589,570,906,349.66
  5. Step 5: Solve for x
    x = 80,589,570,906,349.66/10,269,868
  6. Step 6: Final answer
    x = 7,847,186.63

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1.5x scale

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.