Home / 21,519,054.68-32,259,470.59-8,385,431.66

Finding the Fourth Proportional to 21,519,054.68, 32,259,470.59 and 8,385,431.66

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Solution

The fourth proportional to 21,519,054.68, 32,259,470.59 and 8,385,431.66 is: 12,570,700.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,519,054.68 : 32,259,470.59 = 8,385,431.66 : x
  2. Step 2: Convert to fraction form
    21,519,054.68/32,259,470.59 = 8,385,431.66/x
  3. Step 3: Cross multiply
    21,519,054.68x = 32,259,470.59 × 8,385,431.66
  4. Step 4: Simplify right side
    21,519,054.68x = 270,509,586,020,224.88
  5. Step 5: Solve for x
    x = 270,509,586,020,224.88/21,519,054.68
  6. Step 6: Final answer
    x = 12,570,700.25

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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.