Home / 7,431,402.80-11,147,104.20-4,242,756.80

Finding the Fourth Proportional to 7,431,402.80, 11,147,104.20 and 4,242,756.80

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Solution

The fourth proportional to 7,431,402.80, 11,147,104.20 and 4,242,756.80 is: 6,364,135.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,431,402.80 : 11,147,104.20 = 4,242,756.80 : x
  2. Step 2: Convert to fraction form
    7,431,402.80/11,147,104.20 = 4,242,756.80/x
  3. Step 3: Cross multiply
    7,431,402.80x = 11,147,104.20 × 4,242,756.80
  4. Step 4: Simplify right side
    7,431,402.80x = 47,294,452,144,858.55
  5. Step 5: Solve for x
    x = 47,294,452,144,858.55/7,431,402.80
  6. Step 6: Final answer
    x = 6,364,135.20

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Similar ratio
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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.