Home / 21,956,555.52-30,315,170.16-16,790,919.84

Finding the Fourth Proportional to 21,956,555.52, 30,315,170.16 and 16,790,919.84

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Solution

The fourth proportional to 21,956,555.52, 30,315,170.16 and 16,790,919.84 is: 23,183,034.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,956,555.52 : 30,315,170.16 = 16,790,919.84 : x
  2. Step 2: Convert to fraction form
    21,956,555.52/30,315,170.16 = 16,790,919.84/x
  3. Step 3: Cross multiply
    21,956,555.52x = 30,315,170.16 × 16,790,919.84
  4. Step 4: Simplify right side
    21,956,555.52x = 509,019,592,092,520
  5. Step 5: Solve for x
    x = 509,019,592,092,520/21,956,555.52
  6. Step 6: Final answer
    x = 23,183,034.86

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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.