Home / 14,818,891.74-20,450,312.71-8,113,112.49

Finding the Fourth Proportional to 14,818,891.74, 20,450,312.71 and 8,113,112.49

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Solution

The fourth proportional to 14,818,891.74, 20,450,312.71 and 8,113,112.49 is: 11,196,227.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,818,891.74 : 20,450,312.71 = 8,113,112.49 : x
  2. Step 2: Convert to fraction form
    14,818,891.74/20,450,312.71 = 8,113,112.49/x
  3. Step 3: Cross multiply
    14,818,891.74x = 20,450,312.71 × 8,113,112.49
  4. Step 4: Simplify right side
    14,818,891.74x = 165,915,687,458,915.91
  5. Step 5: Solve for x
    x = 165,915,687,458,915.91/14,818,891.74
  6. Step 6: Final answer
    x = 11,196,227.79

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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.