Home / 7,642,620.62-10,546,900.16-4,157,979.20

Finding the Fourth Proportional to 7,642,620.62, 10,546,900.16 and 4,157,979.20

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Solution

The fourth proportional to 7,642,620.62, 10,546,900.16 and 4,157,979.20 is: 5,738,056.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,642,620.62 : 10,546,900.16 = 4,157,979.20 : x
  2. Step 2: Convert to fraction form
    7,642,620.62/10,546,900.16 = 4,157,979.20/x
  3. Step 3: Cross multiply
    7,642,620.62x = 10,546,900.16 × 4,157,979.20
  4. Step 4: Simplify right side
    7,642,620.62x = 43,853,791,489,756.67
  5. Step 5: Solve for x
    x = 43,853,791,489,756.67/7,642,620.62
  6. Step 6: Final answer
    x = 5,738,056.84

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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.