Home / 21,085,613.73-31,632,734.39-7,250,775.68

Finding the Fourth Proportional to 21,085,613.73, 31,632,734.39 and 7,250,775.68

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Solution

The fourth proportional to 21,085,613.73, 31,632,734.39 and 7,250,775.68 is: 10,877,646.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,085,613.73 : 31,632,734.39 = 7,250,775.68 : x
  2. Step 2: Convert to fraction form
    21,085,613.73/31,632,734.39 = 7,250,775.68/x
  3. Step 3: Cross multiply
    21,085,613.73x = 31,632,734.39 × 7,250,775.68
  4. Step 4: Simplify right side
    21,085,613.73x = 229,361,861,249,739.59
  5. Step 5: Solve for x
    x = 229,361,861,249,739.59/21,085,613.73
  6. Step 6: Final answer
    x = 10,877,646.92

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.