Home / 11,285,789.51-15,580,845.49-7,429,520.75

Finding the Fourth Proportional to 11,285,789.51, 15,580,845.49 and 7,429,520.75

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Solution

The fourth proportional to 11,285,789.51, 15,580,845.49 and 7,429,520.75 is: 10,256,988.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,285,789.51 : 15,580,845.49 = 7,429,520.75 : x
  2. Step 2: Convert to fraction form
    11,285,789.51/15,580,845.49 = 7,429,520.75/x
  3. Step 3: Cross multiply
    11,285,789.51x = 15,580,845.49 × 7,429,520.75
  4. Step 4: Simplify right side
    11,285,789.51x = 115,758,214,870,498.92
  5. Step 5: Solve for x
    x = 115,758,214,870,498.92/11,285,789.51
  6. Step 6: Final answer
    x = 10,256,988.65

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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.