Home / 21,259,986.04-31,882,105.74-6,879,323.80

Finding the Fourth Proportional to 21,259,986.04, 31,882,105.74 and 6,879,323.80

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Solution

The fourth proportional to 21,259,986.04, 31,882,105.74 and 6,879,323.80 is: 10,316,438.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,259,986.04 : 31,882,105.74 = 6,879,323.80 : x
  2. Step 2: Convert to fraction form
    21,259,986.04/31,882,105.74 = 6,879,323.80/x
  3. Step 3: Cross multiply
    21,259,986.04x = 31,882,105.74 × 6,879,323.80
  4. Step 4: Simplify right side
    21,259,986.04x = 219,327,328,811,298.59
  5. Step 5: Solve for x
    x = 219,327,328,811,298.59/21,259,986.04
  6. Step 6: Final answer
    x = 10,316,438.04

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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.