Home / 14,947,797.30-20,627,960.07-8,072,278.77

Finding the Fourth Proportional to 14,947,797.30, 20,627,960.07 and 8,072,278.77

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Solution

The fourth proportional to 14,947,797.30, 20,627,960.07 and 8,072,278.77 is: 11,139,744.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,947,797.30 : 20,627,960.07 = 8,072,278.77 : x
  2. Step 2: Convert to fraction form
    14,947,797.30/20,627,960.07 = 8,072,278.77/x
  3. Step 3: Cross multiply
    14,947,797.30x = 20,627,960.07 × 8,072,278.77
  4. Step 4: Simplify right side
    14,947,797.30x = 166,514,644,141,468.72
  5. Step 5: Solve for x
    x = 166,514,644,141,468.72/14,947,797.30
  6. Step 6: Final answer
    x = 11,139,744.59

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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.