Home / 22,013,578.60-30,378,833.88-12,223,992.76

Finding the Fourth Proportional to 22,013,578.60, 30,378,833.88 and 12,223,992.76

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Solution

The fourth proportional to 22,013,578.60, 30,378,833.88 and 12,223,992.76 is: 16,869,162.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,013,578.60 : 30,378,833.88 = 12,223,992.76 : x
  2. Step 2: Convert to fraction form
    22,013,578.60/30,378,833.88 = 12,223,992.76/x
  3. Step 3: Cross multiply
    22,013,578.60x = 30,378,833.88 × 12,223,992.76
  4. Step 4: Simplify right side
    22,013,578.60x = 371,350,645,406,362.69
  5. Step 5: Solve for x
    x = 371,350,645,406,362.69/22,013,578.60
  6. Step 6: Final answer
    x = 16,869,162.99

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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.