Home / 7,253,970.09-10,010,478.71-3,990,714.73

Finding the Fourth Proportional to 7,253,970.09, 10,010,478.71 and 3,990,714.73

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Solution

The fourth proportional to 7,253,970.09, 10,010,478.71 and 3,990,714.73 is: 5,507,186.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,253,970.09 : 10,010,478.71 = 3,990,714.73 : x
  2. Step 2: Convert to fraction form
    7,253,970.09/10,010,478.71 = 3,990,714.73/x
  3. Step 3: Cross multiply
    7,253,970.09x = 10,010,478.71 × 3,990,714.73
  4. Step 4: Simplify right side
    7,253,970.09x = 39,948,964,861,160.16
  5. Step 5: Solve for x
    x = 39,948,964,861,160.16/7,253,970.09
  6. Step 6: Final answer
    x = 5,507,186.33

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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.