Home / 11,284,901.30-15,577,930.73-7,618,783.39

Finding the Fourth Proportional to 11,284,901.30, 15,577,930.73 and 7,618,783.39

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Solution

The fourth proportional to 11,284,901.30, 15,577,930.73 and 7,618,783.39 is: 10,517,139.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,284,901.30 : 15,577,930.73 = 7,618,783.39 : x
  2. Step 2: Convert to fraction form
    11,284,901.30/15,577,930.73 = 7,618,783.39/x
  3. Step 3: Cross multiply
    11,284,901.30x = 15,577,930.73 × 7,618,783.39
  4. Step 4: Simplify right side
    11,284,901.30x = 118,684,879,876,396.70
  5. Step 5: Solve for x
    x = 118,684,879,876,396.70/11,284,901.30
  6. Step 6: Final answer
    x = 10,517,139.38

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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.