Home / 28,322,242.20-42,490,433.70-9,878,452.29

Finding the Fourth Proportional to 28,322,242.20, 42,490,433.70 and 9,878,452.29

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Solution

The fourth proportional to 28,322,242.20, 42,490,433.70 and 9,878,452.29 is: 14,820,144.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,322,242.20 : 42,490,433.70 = 9,878,452.29 : x
  2. Step 2: Convert to fraction form
    28,322,242.20/42,490,433.70 = 9,878,452.29/x
  3. Step 3: Cross multiply
    28,322,242.20x = 42,490,433.70 × 9,878,452.29
  4. Step 4: Simplify right side
    28,322,242.20x = 419,739,722,086,858.19
  5. Step 5: Solve for x
    x = 419,739,722,086,858.19/28,322,242.20
  6. Step 6: Final answer
    x = 14,820,144.50

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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.