Home / 19,519,937.20-29,258,910.60-7,384,711.60

Finding the Fourth Proportional to 19,519,937.20, 29,258,910.60 and 7,384,711.60

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Solution

The fourth proportional to 19,519,937.20, 29,258,910.60 and 7,384,711.60 is: 11,069,124.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,519,937.20 : 29,258,910.60 = 7,384,711.60 : x
  2. Step 2: Convert to fraction form
    19,519,937.20/29,258,910.60 = 7,384,711.60/x
  3. Step 3: Cross multiply
    19,519,937.20x = 29,258,910.60 × 7,384,711.60
  4. Step 4: Simplify right side
    19,519,937.20x = 216,068,616,511,182.97
  5. Step 5: Solve for x
    x = 216,068,616,511,182.97/19,519,937.20
  6. Step 6: Final answer
    x = 11,069,124.57

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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.