Home / 21,988,633.42-30,347,956.38-12,202,221.16

Finding the Fourth Proportional to 21,988,633.42, 30,347,956.38 and 12,202,221.16

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Solution

The fourth proportional to 21,988,633.42, 30,347,956.38 and 12,202,221.16 is: 16,841,086.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,988,633.42 : 30,347,956.38 = 12,202,221.16 : x
  2. Step 2: Convert to fraction form
    21,988,633.42/30,347,956.38 = 12,202,221.16/x
  3. Step 3: Cross multiply
    21,988,633.42x = 30,347,956.38 × 12,202,221.16
  4. Step 4: Simplify right side
    21,988,633.42x = 370,312,475,502,793
  5. Step 5: Solve for x
    x = 370,312,475,502,793/21,988,633.42
  6. Step 6: Final answer
    x = 16,841,086.41

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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.