Home / 15,479,793.02-21,362,128.02-8,510,589.16

Finding the Fourth Proportional to 15,479,793.02, 21,362,128.02 and 8,510,589.16

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Solution

The fourth proportional to 15,479,793.02, 21,362,128.02 and 8,510,589.16 is: 11,744,620.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,479,793.02 : 21,362,128.02 = 8,510,589.16 : x
  2. Step 2: Convert to fraction form
    15,479,793.02/21,362,128.02 = 8,510,589.16/x
  3. Step 3: Cross multiply
    15,479,793.02x = 21,362,128.02 × 8,510,589.16
  4. Step 4: Simplify right side
    15,479,793.02x = 181,804,295,161,544.25
  5. Step 5: Solve for x
    x = 181,804,295,161,544.25/15,479,793.02
  6. Step 6: Final answer
    x = 11,744,620.55

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.