Home / 19,722,759.86-27,216,886.04-11,021,003.98

Finding the Fourth Proportional to 19,722,759.86, 27,216,886.04 and 11,021,003.98

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Solution

The fourth proportional to 19,722,759.86, 27,216,886.04 and 11,021,003.98 is: 15,208,693.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,722,759.86 : 27,216,886.04 = 11,021,003.98 : x
  2. Step 2: Convert to fraction form
    19,722,759.86/27,216,886.04 = 11,021,003.98/x
  3. Step 3: Cross multiply
    19,722,759.86x = 27,216,886.04 × 11,021,003.98
  4. Step 4: Simplify right side
    19,722,759.86x = 299,957,409,288,227.94
  5. Step 5: Solve for x
    x = 299,957,409,288,227.94/19,722,759.86
  6. Step 6: Final answer
    x = 15,208,693.48

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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.