Home / 6,239,610.31-9,402,005.40-5,127,289.77

Finding the Fourth Proportional to 6,239,610.31, 9,402,005.40 and 5,127,289.77

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Solution

The fourth proportional to 6,239,610.31, 9,402,005.40 and 5,127,289.77 is: 7,725,932.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,239,610.31 : 9,402,005.40 = 5,127,289.77 : x
  2. Step 2: Convert to fraction form
    6,239,610.31/9,402,005.40 = 5,127,289.77/x
  3. Step 3: Cross multiply
    6,239,610.31x = 9,402,005.40 × 5,127,289.77
  4. Step 4: Simplify right side
    6,239,610.31x = 48,206,806,079,268.30
  5. Step 5: Solve for x
    x = 48,206,806,079,268.30/6,239,610.31
  6. Step 6: Final answer
    x = 7,725,932.18

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.