Home / 20,862,674.89-28,792,259.79-11,573,238.01

Finding the Fourth Proportional to 20,862,674.89, 28,792,259.79 and 11,573,238.01

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Solution

The fourth proportional to 20,862,674.89, 28,792,259.79 and 11,573,238.01 is: 15,972,049.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,862,674.89 : 28,792,259.79 = 11,573,238.01 : x
  2. Step 2: Convert to fraction form
    20,862,674.89/28,792,259.79 = 11,573,238.01/x
  3. Step 3: Cross multiply
    20,862,674.89x = 28,792,259.79 × 11,573,238.01
  4. Step 4: Simplify right side
    20,862,674.89x = 333,219,675,395,422.62
  5. Step 5: Solve for x
    x = 333,219,675,395,422.62/20,862,674.89
  6. Step 6: Final answer
    x = 15,972,049.47

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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.