Home / 20,753,117.66-31,148,566.94-11,045,880.33

Finding the Fourth Proportional to 20,753,117.66, 31,148,566.94 and 11,045,880.33

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Solution

The fourth proportional to 20,753,117.66, 31,148,566.94 and 11,045,880.33 is: 16,578,874.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,753,117.66 : 31,148,566.94 = 11,045,880.33 : x
  2. Step 2: Convert to fraction form
    20,753,117.66/31,148,566.94 = 11,045,880.33/x
  3. Step 3: Cross multiply
    20,753,117.66x = 31,148,566.94 × 11,045,880.33
  4. Step 4: Simplify right side
    20,753,117.66x = 344,063,342,718,908.81
  5. Step 5: Solve for x
    x = 344,063,342,718,908.81/20,753,117.66
  6. Step 6: Final answer
    x = 16,578,874.96

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.