Home / 18,400,630.50-25,393,043.70-10,140,994.80

Finding the Fourth Proportional to 18,400,630.50, 25,393,043.70 and 10,140,994.80

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Solution

The fourth proportional to 18,400,630.50, 25,393,043.70 and 10,140,994.80 is: 13,994,668.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,400,630.50 : 25,393,043.70 = 10,140,994.80 : x
  2. Step 2: Convert to fraction form
    18,400,630.50/25,393,043.70 = 10,140,994.80/x
  3. Step 3: Cross multiply
    18,400,630.50x = 25,393,043.70 × 10,140,994.80
  4. Step 4: Simplify right side
    18,400,630.50x = 257,510,724,117,872.78
  5. Step 5: Solve for x
    x = 257,510,724,117,872.78/18,400,630.50
  6. Step 6: Final answer
    x = 13,994,668.50

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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.