Home / 15,193,206.20-20,966,874.54-8,317,574.84

Finding the Fourth Proportional to 15,193,206.20, 20,966,874.54 and 8,317,574.84

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Solution

The fourth proportional to 15,193,206.20, 20,966,874.54 and 8,317,574.84 is: 11,478,390.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,193,206.20 : 20,966,874.54 = 8,317,574.84 : x
  2. Step 2: Convert to fraction form
    15,193,206.20/20,966,874.54 = 8,317,574.84/x
  3. Step 3: Cross multiply
    15,193,206.20x = 20,966,874.54 × 8,317,574.84
  4. Step 4: Simplify right side
    15,193,206.20x = 174,393,548,147,340.56
  5. Step 5: Solve for x
    x = 174,393,548,147,340.56/15,193,206.20
  6. Step 6: Final answer
    x = 11,478,390.13

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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.