Home / 7,286,431.20-10,922,648.40-5,666,301.60

Finding the Fourth Proportional to 7,286,431.20, 10,922,648.40 and 5,666,301.60

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Solution

The fourth proportional to 7,286,431.20, 10,922,648.40 and 5,666,301.60 is: 8,494,010.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,286,431.20 : 10,922,648.40 = 5,666,301.60 : x
  2. Step 2: Convert to fraction form
    7,286,431.20/10,922,648.40 = 5,666,301.60/x
  3. Step 3: Cross multiply
    7,286,431.20x = 10,922,648.40 × 5,666,301.60
  4. Step 4: Simplify right side
    7,286,431.20x = 61,891,020,105,157.44
  5. Step 5: Solve for x
    x = 61,891,020,105,157.44/7,286,431.20
  6. Step 6: Final answer
    x = 8,494,010.09

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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.