Home / 21,858,668.80-32,808,998.40-11,088,131.20

Finding the Fourth Proportional to 21,858,668.80, 32,808,998.40 and 11,088,131.20

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Solution

The fourth proportional to 21,858,668.80, 32,808,998.40 and 11,088,131.20 is: 16,642,846.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,858,668.80 : 32,808,998.40 = 11,088,131.20 : x
  2. Step 2: Convert to fraction form
    21,858,668.80/32,808,998.40 = 11,088,131.20/x
  3. Step 3: Cross multiply
    21,858,668.80x = 32,808,998.40 × 11,088,131.20
  4. Step 4: Simplify right side
    21,858,668.80x = 363,790,478,799,790.06
  5. Step 5: Solve for x
    x = 363,790,478,799,790.06/21,858,668.80
  6. Step 6: Final answer
    x = 16,642,846.92

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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.