Home / 12,577,979.86-17,357,670.98-7,145,769.94

Finding the Fourth Proportional to 12,577,979.86, 17,357,670.98 and 7,145,769.94

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Solution

The fourth proportional to 12,577,979.86, 17,357,670.98 and 7,145,769.94 is: 9,861,195.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,577,979.86 : 17,357,670.98 = 7,145,769.94 : x
  2. Step 2: Convert to fraction form
    12,577,979.86/17,357,670.98 = 7,145,769.94/x
  3. Step 3: Cross multiply
    12,577,979.86x = 17,357,670.98 × 7,145,769.94
  4. Step 4: Simplify right side
    12,577,979.86x = 124,033,923,452,516.22
  5. Step 5: Solve for x
    x = 124,033,923,452,516.22/12,577,979.86
  6. Step 6: Final answer
    x = 9,861,195.91

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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.