Home / 7,882,277.80-11,823,416.70-6,606,819.40

Finding the Fourth Proportional to 7,882,277.80, 11,823,416.70 and 6,606,819.40

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Solution

The fourth proportional to 7,882,277.80, 11,823,416.70 and 6,606,819.40 is: 9,910,229.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,882,277.80 : 11,823,416.70 = 6,606,819.40 : x
  2. Step 2: Convert to fraction form
    7,882,277.80/11,823,416.70 = 6,606,819.40/x
  3. Step 3: Cross multiply
    7,882,277.80x = 11,823,416.70 × 6,606,819.40
  4. Step 4: Simplify right side
    7,882,277.80x = 78,115,178,827,843.98
  5. Step 5: Solve for x
    x = 78,115,178,827,843.98/7,882,277.80
  6. Step 6: Final answer
    x = 9,910,229.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.