Home / 19,722,409.27-27,216,402.64-11,020,653.38

Finding the Fourth Proportional to 19,722,409.27, 27,216,402.64 and 11,020,653.38

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Solution

The fourth proportional to 19,722,409.27, 27,216,402.64 and 11,020,653.38 is: 15,208,209.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,722,409.27 : 27,216,402.64 = 11,020,653.38 : x
  2. Step 2: Convert to fraction form
    19,722,409.27/27,216,402.64 = 11,020,653.38/x
  3. Step 3: Cross multiply
    19,722,409.27x = 27,216,402.64 × 11,020,653.38
  4. Step 4: Simplify right side
    19,722,409.27x = 299,942,539,786,446.31
  5. Step 5: Solve for x
    x = 299,942,539,786,446.31/19,722,409.27
  6. Step 6: Final answer
    x = 15,208,209.90

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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.