Home / 10,179,022.40-14,053,815.03-7,820,018.66

Finding the Fourth Proportional to 10,179,022.40, 14,053,815.03 and 7,820,018.66

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Solution

The fourth proportional to 10,179,022.40, 14,053,815.03 and 7,820,018.66 is: 10,796,822.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,179,022.40 : 14,053,815.03 = 7,820,018.66 : x
  2. Step 2: Convert to fraction form
    10,179,022.40/14,053,815.03 = 7,820,018.66/x
  3. Step 3: Cross multiply
    10,179,022.40x = 14,053,815.03 × 7,820,018.66
  4. Step 4: Simplify right side
    10,179,022.40x = 109,901,095,708,519.39
  5. Step 5: Solve for x
    x = 109,901,095,708,519.39/10,179,022.40
  6. Step 6: Final answer
    x = 10,796,822.27

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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.