Home / 28,190,475.68-42,285,690.48-7,995,892.64

Finding the Fourth Proportional to 28,190,475.68, 42,285,690.48 and 7,995,892.64

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Solution

The fourth proportional to 28,190,475.68, 42,285,690.48 and 7,995,892.64 is: 11,993,832.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,190,475.68 : 42,285,690.48 = 7,995,892.64 : x
  2. Step 2: Convert to fraction form
    28,190,475.68/42,285,690.48 = 7,995,892.64/x
  3. Step 3: Cross multiply
    28,190,475.68x = 42,285,690.48 × 7,995,892.64
  4. Step 4: Simplify right side
    28,190,475.68x = 338,111,841,286,350
  5. Step 5: Solve for x
    x = 338,111,841,286,350/28,190,475.68
  6. Step 6: Final answer
    x = 11,993,832.42

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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.