Home / 15,145,034.86-20,900,065.41-8,269,467.70

Finding the Fourth Proportional to 15,145,034.86, 20,900,065.41 and 8,269,467.70

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Solution

The fourth proportional to 15,145,034.86, 20,900,065.41 and 8,269,467.70 is: 11,411,820.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,145,034.86 : 20,900,065.41 = 8,269,467.70 : x
  2. Step 2: Convert to fraction form
    15,145,034.86/20,900,065.41 = 8,269,467.70/x
  3. Step 3: Cross multiply
    15,145,034.86x = 20,900,065.41 × 8,269,467.70
  4. Step 4: Simplify right side
    15,145,034.86x = 172,832,415,835,882.25
  5. Step 5: Solve for x
    x = 172,832,415,835,882.25/15,145,034.86
  6. Step 6: Final answer
    x = 11,411,820.27

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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.