Home / 21,856,009.19-30,161,337.59-12,066,472.31

Finding the Fourth Proportional to 21,856,009.19, 30,161,337.59 and 12,066,472.31

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Solution

The fourth proportional to 21,856,009.19, 30,161,337.59 and 12,066,472.31 is: 16,651,756.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,856,009.19 : 30,161,337.59 = 12,066,472.31 : x
  2. Step 2: Convert to fraction form
    21,856,009.19/30,161,337.59 = 12,066,472.31/x
  3. Step 3: Cross multiply
    21,856,009.19x = 30,161,337.59 × 12,066,472.31
  4. Step 4: Simplify right side
    21,856,009.19x = 363,940,944,741,656.62
  5. Step 5: Solve for x
    x = 363,940,944,741,656.62/21,856,009.19
  6. Step 6: Final answer
    x = 16,651,756.58

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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.