Home / 18,691,107.84-25,805,406.24-14,331,820.32

Finding the Fourth Proportional to 18,691,107.84, 25,805,406.24 and 14,331,820.32

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Solution

The fourth proportional to 18,691,107.84, 25,805,406.24 and 14,331,820.32 is: 19,786,865.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,691,107.84 : 25,805,406.24 = 14,331,820.32 : x
  2. Step 2: Convert to fraction form
    18,691,107.84/25,805,406.24 = 14,331,820.32/x
  3. Step 3: Cross multiply
    18,691,107.84x = 25,805,406.24 × 14,331,820.32
  4. Step 4: Simplify right side
    18,691,107.84x = 369,838,445,516,286.75
  5. Step 5: Solve for x
    x = 369,838,445,516,286.75/18,691,107.84
  6. Step 6: Final answer
    x = 19,786,865.96

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1.5x scale

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.