Home / 10,253,142.05-14,149,299.02-5,782,341.78

Finding the Fourth Proportional to 10,253,142.05, 14,149,299.02 and 5,782,341.78

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Solution

The fourth proportional to 10,253,142.05, 14,149,299.02 and 5,782,341.78 is: 7,979,610.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,253,142.05 : 14,149,299.02 = 5,782,341.78 : x
  2. Step 2: Convert to fraction form
    10,253,142.05/14,149,299.02 = 5,782,341.78/x
  3. Step 3: Cross multiply
    10,253,142.05x = 14,149,299.02 × 5,782,341.78
  4. Step 4: Simplify right side
    10,253,142.05x = 81,816,082,852,147.36
  5. Step 5: Solve for x
    x = 81,816,082,852,147.36/10,253,142.05
  6. Step 6: Final answer
    x = 7,979,610.79

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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.