Home / 7,791,960.96-10,749,762-5,179,728.24

Finding the Fourth Proportional to 7,791,960.96, 10,749,762 and 5,179,728.24

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Solution

The fourth proportional to 7,791,960.96, 10,749,762 and 5,179,728.24 is: 7,145,934.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,791,960.96 : 10,749,762 = 5,179,728.24 : x
  2. Step 2: Convert to fraction form
    7,791,960.96/10,749,762 = 5,179,728.24/x
  3. Step 3: Cross multiply
    7,791,960.96x = 10,749,762 × 5,179,728.24
  4. Step 4: Simplify right side
    7,791,960.96x = 55,680,845,804,678.88
  5. Step 5: Solve for x
    x = 55,680,845,804,678.88/7,791,960.96
  6. Step 6: Final answer
    x = 7,145,934.91

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1.5x scale

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.