Home / 28,022,816.20-42,032,728.90-7,552,207.32

Finding the Fourth Proportional to 28,022,816.20, 42,032,728.90 and 7,552,207.32

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Solution

The fourth proportional to 28,022,816.20, 42,032,728.90 and 7,552,207.32 is: 11,327,907.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,022,816.20 : 42,032,728.90 = 7,552,207.32 : x
  2. Step 2: Convert to fraction form
    28,022,816.20/42,032,728.90 = 7,552,207.32/x
  3. Step 3: Cross multiply
    28,022,816.20x = 42,032,728.90 × 7,552,207.32
  4. Step 4: Simplify right side
    28,022,816.20x = 317,439,882,878,155.56
  5. Step 5: Solve for x
    x = 317,439,882,878,155.56/28,022,816.20
  6. Step 6: Final answer
    x = 11,327,907.97

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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.