Home / 21,908,584.23-30,226,502.92-12,615,954

Finding the Fourth Proportional to 21,908,584.23, 30,226,502.92 and 12,615,954

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Solution

The fourth proportional to 21,908,584.23, 30,226,502.92 and 12,615,954 is: 17,405,787.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,908,584.23 : 30,226,502.92 = 12,615,954 : x
  2. Step 2: Convert to fraction form
    21,908,584.23/30,226,502.92 = 12,615,954/x
  3. Step 3: Cross multiply
    21,908,584.23x = 30,226,502.92 × 12,615,954
  4. Step 4: Simplify right side
    21,908,584.23x = 381,336,170,419,585.69
  5. Step 5: Solve for x
    x = 381,336,170,419,585.69/21,908,584.23
  6. Step 6: Final answer
    x = 17,405,787.91

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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.