Home / 8,221,819.40-11,345,821.29-4,550,743.07

Finding the Fourth Proportional to 8,221,819.40, 11,345,821.29 and 4,550,743.07

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Solution

The fourth proportional to 8,221,819.40, 11,345,821.29 and 4,550,743.07 is: 6,279,865.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,221,819.40 : 11,345,821.29 = 4,550,743.07 : x
  2. Step 2: Convert to fraction form
    8,221,819.40/11,345,821.29 = 4,550,743.07/x
  3. Step 3: Cross multiply
    8,221,819.40x = 11,345,821.29 × 4,550,743.07
  4. Step 4: Simplify right side
    8,221,819.40x = 51,631,917,608,925.96
  5. Step 5: Solve for x
    x = 51,631,917,608,925.96/8,221,819.40
  6. Step 6: Final answer
    x = 6,279,865.21

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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.