Home / 21,947,852.37-30,218,934.97-18,633,591.27

Finding the Fourth Proportional to 21,947,852.37, 30,218,934.97 and 18,633,591.27

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Solution

The fourth proportional to 21,947,852.37, 30,218,934.97 and 18,633,591.27 is: 25,655,689.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,947,852.37 : 30,218,934.97 = 18,633,591.27 : x
  2. Step 2: Convert to fraction form
    21,947,852.37/30,218,934.97 = 18,633,591.27/x
  3. Step 3: Cross multiply
    21,947,852.37x = 30,218,934.97 × 18,633,591.27
  4. Step 4: Simplify right side
    21,947,852.37x = 563,087,282,868,981.75
  5. Step 5: Solve for x
    x = 563,087,282,868,981.75/21,947,852.37
  6. Step 6: Final answer
    x = 25,655,689.37

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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.