Home / 12,947,715-19,422,505.62-4,969,539

Finding the Fourth Proportional to 12,947,715, 19,422,505.62 and 4,969,539

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Solution

The fourth proportional to 12,947,715, 19,422,505.62 and 4,969,539 is: 7,454,666.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,947,715 : 19,422,505.62 = 4,969,539 : x
  2. Step 2: Convert to fraction form
    12,947,715/19,422,505.62 = 4,969,539/x
  3. Step 3: Cross multiply
    12,947,715x = 19,422,505.62 × 4,969,539
  4. Step 4: Simplify right side
    12,947,715x = 96,520,899,156,309.19
  5. Step 5: Solve for x
    x = 96,520,899,156,309.19/12,947,715
  6. Step 6: Final answer
    x = 7,454,666.65

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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.