Home / 21,239,254.18-31,859,065.64-6,862,323.51

Finding the Fourth Proportional to 21,239,254.18, 31,859,065.64 and 6,862,323.51

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Solution

The fourth proportional to 21,239,254.18, 31,859,065.64 and 6,862,323.51 is: 10,293,544.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,239,254.18 : 31,859,065.64 = 6,862,323.51 : x
  2. Step 2: Convert to fraction form
    21,239,254.18/31,859,065.64 = 6,862,323.51/x
  3. Step 3: Cross multiply
    21,239,254.18x = 31,859,065.64 × 6,862,323.51
  4. Step 4: Simplify right side
    21,239,254.18x = 218,627,215,005,865.66
  5. Step 5: Solve for x
    x = 218,627,215,005,865.66/21,239,254.18
  6. Step 6: Final answer
    x = 10,293,544.83

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.