Home / 5,431,721.40-8,147,582.10-5,347,740.60

Finding the Fourth Proportional to 5,431,721.40, 8,147,582.10 and 5,347,740.60

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Solution

The fourth proportional to 5,431,721.40, 8,147,582.10 and 5,347,740.60 is: 8,021,610.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,431,721.40 : 8,147,582.10 = 5,347,740.60 : x
  2. Step 2: Convert to fraction form
    5,431,721.40/8,147,582.10 = 5,347,740.60/x
  3. Step 3: Cross multiply
    5,431,721.40x = 8,147,582.10 × 5,347,740.60
  4. Step 4: Simplify right side
    5,431,721.40x = 43,571,155,588,003.26
  5. Step 5: Solve for x
    x = 43,571,155,588,003.26/5,431,721.40
  6. Step 6: Final answer
    x = 8,021,610.90

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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.