Home / 28,295,857.20-42,452,753.40-10,099,649.04

Finding the Fourth Proportional to 28,295,857.20, 42,452,753.40 and 10,099,649.04

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Solution

The fourth proportional to 28,295,857.20, 42,452,753.40 and 10,099,649.04 is: 15,152,674.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,295,857.20 : 42,452,753.40 = 10,099,649.04 : x
  2. Step 2: Convert to fraction form
    28,295,857.20/42,452,753.40 = 10,099,649.04/x
  3. Step 3: Cross multiply
    28,295,857.20x = 42,452,753.40 × 10,099,649.04
  4. Step 4: Simplify right side
    28,295,857.20x = 428,757,910,121,666.69
  5. Step 5: Solve for x
    x = 428,757,910,121,666.69/28,295,857.20
  6. Step 6: Final answer
    x = 15,152,674.37

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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.