Home / 14,947,789.54-20,627,949.36-8,072,271.40

Finding the Fourth Proportional to 14,947,789.54, 20,627,949.36 and 8,072,271.40

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Solution

The fourth proportional to 14,947,789.54, 20,627,949.36 and 8,072,271.40 is: 11,139,734.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,947,789.54 : 20,627,949.36 = 8,072,271.40 : x
  2. Step 2: Convert to fraction form
    14,947,789.54/20,627,949.36 = 8,072,271.40/x
  3. Step 3: Cross multiply
    14,947,789.54x = 20,627,949.36 × 8,072,271.40
  4. Step 4: Simplify right side
    14,947,789.54x = 166,514,405,659,376.31
  5. Step 5: Solve for x
    x = 166,514,405,659,376.31/14,947,789.54
  6. Step 6: Final answer
    x = 11,139,734.42

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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.