Home / 7,239,854.32-9,992,739.04-4,144,172.24

Finding the Fourth Proportional to 7,239,854.32, 9,992,739.04 and 4,144,172.24

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Solution

The fourth proportional to 7,239,854.32, 9,992,739.04 and 4,144,172.24 is: 5,719,953.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,239,854.32 : 9,992,739.04 = 4,144,172.24 : x
  2. Step 2: Convert to fraction form
    7,239,854.32/9,992,739.04 = 4,144,172.24/x
  3. Step 3: Cross multiply
    7,239,854.32x = 9,992,739.04 × 4,144,172.24
  4. Step 4: Simplify right side
    7,239,854.32x = 41,411,631,731,132.25
  5. Step 5: Solve for x
    x = 41,411,631,731,132.25/7,239,854.32
  6. Step 6: Final answer
    x = 5,719,953.73

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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.