Home / 21,956,450.02-30,300,081.54-12,167,057.69

Finding the Fourth Proportional to 21,956,450.02, 30,300,081.54 and 12,167,057.69

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Solution

The fourth proportional to 21,956,450.02, 30,300,081.54 and 12,167,057.69 is: 16,790,639.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,956,450.02 : 30,300,081.54 = 12,167,057.69 : x
  2. Step 2: Convert to fraction form
    21,956,450.02/30,300,081.54 = 12,167,057.69/x
  3. Step 3: Cross multiply
    21,956,450.02x = 30,300,081.54 × 12,167,057.69
  4. Step 4: Simplify right side
    21,956,450.02x = 368,662,840,108,884
  5. Step 5: Solve for x
    x = 368,662,840,108,884/21,956,450.02
  6. Step 6: Final answer
    x = 16,790,639.64

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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.