Home / 12,672,069.40-19,008,104.10-6,279,851.80

Finding the Fourth Proportional to 12,672,069.40, 19,008,104.10 and 6,279,851.80

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Solution

The fourth proportional to 12,672,069.40, 19,008,104.10 and 6,279,851.80 is: 9,419,777.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,672,069.40 : 19,008,104.10 = 6,279,851.80 : x
  2. Step 2: Convert to fraction form
    12,672,069.40/19,008,104.10 = 6,279,851.80/x
  3. Step 3: Cross multiply
    12,672,069.40x = 19,008,104.10 × 6,279,851.80
  4. Step 4: Simplify right side
    12,672,069.40x = 119,368,076,746,972.39
  5. Step 5: Solve for x
    x = 119,368,076,746,972.39/12,672,069.40
  6. Step 6: Final answer
    x = 9,419,777.70

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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.