Home / 15,270,330.60-21,073,462.20-8,301,479.40

Finding the Fourth Proportional to 15,270,330.60, 21,073,462.20 and 8,301,479.40

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Solution

The fourth proportional to 15,270,330.60, 21,073,462.20 and 8,301,479.40 is: 11,456,262.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,270,330.60 : 21,073,462.20 = 8,301,479.40 : x
  2. Step 2: Convert to fraction form
    15,270,330.60/21,073,462.20 = 8,301,479.40/x
  3. Step 3: Cross multiply
    15,270,330.60x = 21,073,462.20 × 8,301,479.40
  4. Step 4: Simplify right side
    15,270,330.60x = 174,940,912,339,978.69
  5. Step 5: Solve for x
    x = 174,940,912,339,978.69/15,270,330.60
  6. Step 6: Final answer
    x = 11,456,262.27

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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.