Home / 7,255,689.48-10,012,839.84-3,992,714.64

Finding the Fourth Proportional to 7,255,689.48, 10,012,839.84 and 3,992,714.64

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Solution

The fourth proportional to 7,255,689.48, 10,012,839.84 and 3,992,714.64 is: 5,509,939.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,255,689.48 : 10,012,839.84 = 3,992,714.64 : x
  2. Step 2: Convert to fraction form
    7,255,689.48/10,012,839.84 = 3,992,714.64/x
  3. Step 3: Cross multiply
    7,255,689.48x = 10,012,839.84 × 3,992,714.64
  4. Step 4: Simplify right side
    7,255,689.48x = 39,978,412,217,143.26
  5. Step 5: Solve for x
    x = 39,978,412,217,143.26/7,255,689.48
  6. Step 6: Final answer
    x = 5,509,939.80

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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.