Home / 7,977,523.01-11,970,021.56-3,931,805.39

Finding the Fourth Proportional to 7,977,523.01, 11,970,021.56 and 3,931,805.39

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Solution

The fourth proportional to 7,977,523.01, 11,970,021.56 and 3,931,805.39 is: 5,899,549.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,977,523.01 : 11,970,021.56 = 3,931,805.39 : x
  2. Step 2: Convert to fraction form
    7,977,523.01/11,970,021.56 = 3,931,805.39/x
  3. Step 3: Cross multiply
    7,977,523.01x = 11,970,021.56 × 3,931,805.39
  4. Step 4: Simplify right side
    7,977,523.01x = 47,063,795,268,365.18
  5. Step 5: Solve for x
    x = 47,063,795,268,365.18/7,977,523.01
  6. Step 6: Final answer
    x = 5,899,549.92

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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.