Home / 7,241,025-9,992,621.10-3,978,051.12

Finding the Fourth Proportional to 7,241,025, 9,992,621.10 and 3,978,051.12

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Solution

The fourth proportional to 7,241,025, 9,992,621.10 and 3,978,051.12 is: 5,489,714.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,241,025 : 9,992,621.10 = 3,978,051.12 : x
  2. Step 2: Convert to fraction form
    7,241,025/9,992,621.10 = 3,978,051.12/x
  3. Step 3: Cross multiply
    7,241,025x = 9,992,621.10 × 3,978,051.12
  4. Step 4: Simplify right side
    7,241,025x = 39,751,157,558,590.63
  5. Step 5: Solve for x
    x = 39,751,157,558,590.63/7,241,025
  6. Step 6: Final answer
    x = 5,489,714.17

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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.