Home / 7,127,222.08-9,835,634.10-3,864,028.36

Finding the Fourth Proportional to 7,127,222.08, 9,835,634.10 and 3,864,028.36

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Solution

The fourth proportional to 7,127,222.08, 9,835,634.10 and 3,864,028.36 is: 5,332,395.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,127,222.08 : 9,835,634.10 = 3,864,028.36 : x
  2. Step 2: Convert to fraction form
    7,127,222.08/9,835,634.10 = 3,864,028.36/x
  3. Step 3: Cross multiply
    7,127,222.08x = 9,835,634.10 × 3,864,028.36
  4. Step 4: Simplify right side
    7,127,222.08x = 38,005,169,100,983.07
  5. Step 5: Solve for x
    x = 38,005,169,100,983.07/7,127,222.08
  6. Step 6: Final answer
    x = 5,332,395.80

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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.