Home / 15,400,256.72-21,252,096.20-8,524,590.80

Finding the Fourth Proportional to 15,400,256.72, 21,252,096.20 and 8,524,590.80

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Solution

The fourth proportional to 15,400,256.72, 21,252,096.20 and 8,524,590.80 is: 11,763,792.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,400,256.72 : 21,252,096.20 = 8,524,590.80 : x
  2. Step 2: Convert to fraction form
    15,400,256.72/21,252,096.20 = 8,524,590.80/x
  3. Step 3: Cross multiply
    15,400,256.72x = 21,252,096.20 × 8,524,590.80
  4. Step 4: Simplify right side
    15,400,256.72x = 181,165,423,747,234.97
  5. Step 5: Solve for x
    x = 181,165,423,747,234.97/15,400,256.72
  6. Step 6: Final answer
    x = 11,763,792.45

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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.