Home / 12,595,688.20-18,865,538.70-10,356,200.20

Finding the Fourth Proportional to 12,595,688.20, 18,865,538.70 and 10,356,200.20

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Solution

The fourth proportional to 12,595,688.20, 18,865,538.70 and 10,356,200.20 is: 15,511,283.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,595,688.20 : 18,865,538.70 = 10,356,200.20 : x
  2. Step 2: Convert to fraction form
    12,595,688.20/18,865,538.70 = 10,356,200.20/x
  3. Step 3: Cross multiply
    12,595,688.20x = 18,865,538.70 × 10,356,200.20
  4. Step 4: Simplify right side
    12,595,688.20x = 195,375,295,658,047.72
  5. Step 5: Solve for x
    x = 195,375,295,658,047.72/12,595,688.20
  6. Step 6: Final answer
    x = 15,511,283.91

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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.