Home / 20,862,662.17-28,792,197.34-11,573,227.26

Finding the Fourth Proportional to 20,862,662.17, 28,792,197.34 and 11,573,227.26

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Solution

The fourth proportional to 20,862,662.17, 28,792,197.34 and 11,573,227.26 is: 15,972,009.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,862,662.17 : 28,792,197.34 = 11,573,227.26 : x
  2. Step 2: Convert to fraction form
    20,862,662.17/28,792,197.34 = 11,573,227.26/x
  3. Step 3: Cross multiply
    20,862,662.17x = 28,792,197.34 × 11,573,227.26
  4. Step 4: Simplify right side
    20,862,662.17x = 333,218,643,130,587.50
  5. Step 5: Solve for x
    x = 333,218,643,130,587.50/20,862,662.17
  6. Step 6: Final answer
    x = 15,972,009.73

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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.