Home / 21,790,693.92-30,072,516.88-12,001,135.60

Finding the Fourth Proportional to 21,790,693.92, 30,072,516.88 and 12,001,135.60

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Solution

The fourth proportional to 21,790,693.92, 30,072,516.88 and 12,001,135.60 is: 16,562,315.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,790,693.92 : 30,072,516.88 = 12,001,135.60 : x
  2. Step 2: Convert to fraction form
    21,790,693.92/30,072,516.88 = 12,001,135.60/x
  3. Step 3: Cross multiply
    21,790,693.92x = 30,072,516.88 × 12,001,135.60
  4. Step 4: Simplify right side
    21,790,693.92x = 360,904,352,910,168.88
  5. Step 5: Solve for x
    x = 360,904,352,910,168.88/21,790,693.92
  6. Step 6: Final answer
    x = 16,562,315.74

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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.