Home / 18,601,780.88-25,671,013.80-10,228,715.76

Finding the Fourth Proportional to 18,601,780.88, 25,671,013.80 and 10,228,715.76

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Solution

The fourth proportional to 18,601,780.88, 25,671,013.80 and 10,228,715.76 is: 14,115,933.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,601,780.88 : 25,671,013.80 = 10,228,715.76 : x
  2. Step 2: Convert to fraction form
    18,601,780.88/25,671,013.80 = 10,228,715.76/x
  3. Step 3: Cross multiply
    18,601,780.88x = 25,671,013.80 × 10,228,715.76
  4. Step 4: Simplify right side
    18,601,780.88x = 262,581,503,431,237.50
  5. Step 5: Solve for x
    x = 262,581,503,431,237.50/18,601,780.88
  6. Step 6: Final answer
    x = 14,115,933.58

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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.