Home / 15,227,107.20-21,014,177.76-8,352,228.96

Finding the Fourth Proportional to 15,227,107.20, 21,014,177.76 and 8,352,228.96

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Solution

The fourth proportional to 15,227,107.20, 21,014,177.76 and 8,352,228.96 is: 11,526,498.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,227,107.20 : 21,014,177.76 = 8,352,228.96 : x
  2. Step 2: Convert to fraction form
    15,227,107.20/21,014,177.76 = 8,352,228.96/x
  3. Step 3: Cross multiply
    15,227,107.20x = 21,014,177.76 × 8,352,228.96
  4. Step 4: Simplify right side
    15,227,107.20x = 175,515,224,057,659.94
  5. Step 5: Solve for x
    x = 175,515,224,057,659.94/15,227,107.20
  6. Step 6: Final answer
    x = 11,526,498.22

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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.