Home / 20,862,659.66-28,792,193.91-11,573,224.76

Finding the Fourth Proportional to 20,862,659.66, 28,792,193.91 and 11,573,224.76

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Solution

The fourth proportional to 20,862,659.66, 28,792,193.91 and 11,573,224.76 is: 15,972,006.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,862,659.66 : 28,792,193.91 = 11,573,224.76 : x
  2. Step 2: Convert to fraction form
    20,862,659.66/28,792,193.91 = 11,573,224.76/x
  3. Step 3: Cross multiply
    20,862,659.66x = 28,792,193.91 × 11,573,224.76
  4. Step 4: Simplify right side
    20,862,659.66x = 333,218,531,525,913.69
  5. Step 5: Solve for x
    x = 333,218,531,525,913.69/20,862,659.66
  6. Step 6: Final answer
    x = 15,972,006.30

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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.