Home / 12,595,818.20-18,865,733.70-10,356,330.20

Finding the Fourth Proportional to 12,595,818.20, 18,865,733.70 and 10,356,330.20

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Solution

The fourth proportional to 12,595,818.20, 18,865,733.70 and 10,356,330.20 is: 15,511,478.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,595,818.20 : 18,865,733.70 = 10,356,330.20 : x
  2. Step 2: Convert to fraction form
    12,595,818.20/18,865,733.70 = 10,356,330.20/x
  3. Step 3: Cross multiply
    12,595,818.20x = 18,865,733.70 × 10,356,330.20
  4. Step 4: Simplify right side
    12,595,818.20x = 195,379,767,662,467.72
  5. Step 5: Solve for x
    x = 195,379,767,662,467.72/12,595,818.20
  6. Step 6: Final answer
    x = 15,511,478.85

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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.