Home / 21,966,836.10-30,314,233.36-12,177,255.48

Finding the Fourth Proportional to 21,966,836.10, 30,314,233.36 and 12,177,255.48

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Solution

The fourth proportional to 21,966,836.10, 30,314,233.36 and 12,177,255.48 is: 16,804,612.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,966,836.10 : 30,314,233.36 = 12,177,255.48 : x
  2. Step 2: Convert to fraction form
    21,966,836.10/30,314,233.36 = 12,177,255.48/x
  3. Step 3: Cross multiply
    21,966,836.10x = 30,314,233.36 × 12,177,255.48
  4. Step 4: Simplify right side
    21,966,836.10x = 369,144,164,305,058.81
  5. Step 5: Solve for x
    x = 369,144,164,305,058.81/21,966,836.10
  6. Step 6: Final answer
    x = 16,804,612.31

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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.