Home / 11,285,789.39-15,580,845.32-7,429,520.63

Finding the Fourth Proportional to 11,285,789.39, 15,580,845.32 and 7,429,520.63

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Solution

The fourth proportional to 11,285,789.39, 15,580,845.32 and 7,429,520.63 is: 10,256,988.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,285,789.39 : 15,580,845.32 = 7,429,520.63 : x
  2. Step 2: Convert to fraction form
    11,285,789.39/15,580,845.32 = 7,429,520.63/x
  3. Step 3: Cross multiply
    11,285,789.39x = 15,580,845.32 × 7,429,520.63
  4. Step 4: Simplify right side
    11,285,789.39x = 115,758,211,722,946.34
  5. Step 5: Solve for x
    x = 115,758,211,722,946.34/11,285,789.39
  6. Step 6: Final answer
    x = 10,256,988.48

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1.5x scale

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.