Home / 7,172,562.80-9,893,714.28-4,380,376.16

Finding the Fourth Proportional to 7,172,562.80, 9,893,714.28 and 4,380,376.16

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Solution

The fourth proportional to 7,172,562.80, 9,893,714.28 and 4,380,376.16 is: 6,042,218.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,172,562.80 : 9,893,714.28 = 4,380,376.16 : x
  2. Step 2: Convert to fraction form
    7,172,562.80/9,893,714.28 = 4,380,376.16/x
  3. Step 3: Cross multiply
    7,172,562.80x = 9,893,714.28 × 4,380,376.16
  4. Step 4: Simplify right side
    7,172,562.80x = 43,338,190,165,963.56
  5. Step 5: Solve for x
    x = 43,338,190,165,963.56/7,172,562.80
  6. Step 6: Final answer
    x = 6,042,218.29

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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.