Home / 7,716,659.36-10,646,818.08-6,079,992.80

Finding the Fourth Proportional to 7,716,659.36, 10,646,818.08 and 6,079,992.80

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Solution

The fourth proportional to 7,716,659.36, 10,646,818.08 and 6,079,992.80 is: 8,388,678.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,716,659.36 : 10,646,818.08 = 6,079,992.80 : x
  2. Step 2: Convert to fraction form
    7,716,659.36/10,646,818.08 = 6,079,992.80/x
  3. Step 3: Cross multiply
    7,716,659.36x = 10,646,818.08 × 6,079,992.80
  4. Step 4: Simplify right side
    7,716,659.36x = 64,732,577,269,309.82
  5. Step 5: Solve for x
    x = 64,732,577,269,309.82/7,716,659.36
  6. Step 6: Final answer
    x = 8,388,678.86

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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.