Home / 10,664,546.80-15,996,820.20-4,680,914.80

Finding the Fourth Proportional to 10,664,546.80, 15,996,820.20 and 4,680,914.80

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Solution

The fourth proportional to 10,664,546.80, 15,996,820.20 and 4,680,914.80 is: 7,021,372.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,664,546.80 : 15,996,820.20 = 4,680,914.80 : x
  2. Step 2: Convert to fraction form
    10,664,546.80/15,996,820.20 = 4,680,914.80/x
  3. Step 3: Cross multiply
    10,664,546.80x = 15,996,820.20 × 4,680,914.80
  4. Step 4: Simplify right side
    10,664,546.80x = 74,879,752,427,118.95
  5. Step 5: Solve for x
    x = 74,879,752,427,118.95/10,664,546.80
  6. Step 6: Final answer
    x = 7,021,372.20

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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.