Home / 21,956,411.52-30,300,025.80-12,167,019.12

Finding the Fourth Proportional to 21,956,411.52, 30,300,025.80 and 12,167,019.12

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Solution

The fourth proportional to 21,956,411.52, 30,300,025.80 and 12,167,019.12 is: 16,790,584.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,956,411.52 : 30,300,025.80 = 12,167,019.12 : x
  2. Step 2: Convert to fraction form
    21,956,411.52/30,300,025.80 = 12,167,019.12/x
  3. Step 3: Cross multiply
    21,956,411.52x = 30,300,025.80 × 12,167,019.12
  4. Step 4: Simplify right side
    21,956,411.52x = 368,660,993,245,093.25
  5. Step 5: Solve for x
    x = 368,660,993,245,093.25/21,956,411.52
  6. Step 6: Final answer
    x = 16,790,584.97

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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.