Home / 21,956,412.52-30,300,027.18-12,167,020.12

Finding the Fourth Proportional to 21,956,412.52, 30,300,027.18 and 12,167,020.12

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Solution

The fourth proportional to 21,956,412.52, 30,300,027.18 and 12,167,020.12 is: 16,790,586.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,956,412.52 : 30,300,027.18 = 12,167,020.12 : x
  2. Step 2: Convert to fraction form
    21,956,412.52/30,300,027.18 = 12,167,020.12/x
  3. Step 3: Cross multiply
    21,956,412.52x = 30,300,027.18 × 12,167,020.12
  4. Step 4: Simplify right side
    21,956,412.52x = 368,661,040,335,606.81
  5. Step 5: Solve for x
    x = 368,661,040,335,606.81/21,956,412.52
  6. Step 6: Final answer
    x = 16,790,586.35

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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.