Home / 21,855,835.80-30,161,097.90-12,066,298.92

Finding the Fourth Proportional to 21,855,835.80, 30,161,097.90 and 12,066,298.92

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Solution

The fourth proportional to 21,855,835.80, 30,161,097.90 and 12,066,298.92 is: 16,651,517.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,855,835.80 : 30,161,097.90 = 12,066,298.92 : x
  2. Step 2: Convert to fraction form
    21,855,835.80/30,161,097.90 = 12,066,298.92/x
  3. Step 3: Cross multiply
    21,855,835.80x = 30,161,097.90 × 12,066,298.92
  4. Step 4: Simplify right side
    21,855,835.80x = 363,932,823,016,784.25
  5. Step 5: Solve for x
    x = 363,932,823,016,784.25/21,855,835.80
  6. Step 6: Final answer
    x = 16,651,517.08

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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.