Home / 15,145,031.70-20,900,061.07-8,269,464.56

Finding the Fourth Proportional to 15,145,031.70, 20,900,061.07 and 8,269,464.56

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Solution

The fourth proportional to 15,145,031.70, 20,900,061.07 and 8,269,464.56 is: 11,411,815.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,145,031.70 : 20,900,061.07 = 8,269,464.56 : x
  2. Step 2: Convert to fraction form
    15,145,031.70/20,900,061.07 = 8,269,464.56/x
  3. Step 3: Cross multiply
    15,145,031.70x = 20,900,061.07 × 8,269,464.56
  4. Step 4: Simplify right side
    15,145,031.70x = 172,832,314,195,026.69
  5. Step 5: Solve for x
    x = 172,832,314,195,026.69/15,145,031.70
  6. Step 6: Final answer
    x = 11,411,815.94

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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.