Home / 14,385,920.40-21,543,451.20-6,804,028.80

Finding the Fourth Proportional to 14,385,920.40, 21,543,451.20 and 6,804,028.80

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Solution

The fourth proportional to 14,385,920.40, 21,543,451.20 and 6,804,028.80 is: 10,189,286.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,385,920.40 : 21,543,451.20 = 6,804,028.80 : x
  2. Step 2: Convert to fraction form
    14,385,920.40/21,543,451.20 = 6,804,028.80/x
  3. Step 3: Cross multiply
    14,385,920.40x = 21,543,451.20 × 6,804,028.80
  4. Step 4: Simplify right side
    14,385,920.40x = 146,582,262,416,194.56
  5. Step 5: Solve for x
    x = 146,582,262,416,194.56/14,385,920.40
  6. Step 6: Final answer
    x = 10,189,286.35

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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.