Home / 28,269,435.24-42,399,100.62-7,519,985.55

Finding the Fourth Proportional to 28,269,435.24, 42,399,100.62 and 7,519,985.55

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Solution

The fourth proportional to 28,269,435.24, 42,399,100.62 and 7,519,985.55 is: 11,278,634.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,269,435.24 : 42,399,100.62 = 7,519,985.55 : x
  2. Step 2: Convert to fraction form
    28,269,435.24/42,399,100.62 = 7,519,985.55/x
  3. Step 3: Cross multiply
    28,269,435.24x = 42,399,100.62 × 7,519,985.55
  4. Step 4: Simplify right side
    28,269,435.24x = 318,840,623,995,396
  5. Step 5: Solve for x
    x = 318,840,623,995,396/28,269,435.24
  6. Step 6: Final answer
    x = 11,278,634.37

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1.5x scale

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.