Home / 19,310,135.60-28,981,792.20-8,544,004.40

Finding the Fourth Proportional to 19,310,135.60, 28,981,792.20 and 8,544,004.40

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Solution

The fourth proportional to 19,310,135.60, 28,981,792.20 and 8,544,004.40 is: 12,823,346.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,310,135.60 : 28,981,792.20 = 8,544,004.40 : x
  2. Step 2: Convert to fraction form
    19,310,135.60/28,981,792.20 = 8,544,004.40/x
  3. Step 3: Cross multiply
    19,310,135.60x = 28,981,792.20 × 8,544,004.40
  4. Step 4: Simplify right side
    19,310,135.60x = 247,620,560,076,685.69
  5. Step 5: Solve for x
    x = 247,620,560,076,685.69/19,310,135.60
  6. Step 6: Final answer
    x = 12,823,346.52

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.