Home / 7,128,049.20-10,692,073.80-3,534,370.80

Finding the Fourth Proportional to 7,128,049.20, 10,692,073.80 and 3,534,370.80

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Solution

The fourth proportional to 7,128,049.20, 10,692,073.80 and 3,534,370.80 is: 5,301,556.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,128,049.20 : 10,692,073.80 = 3,534,370.80 : x
  2. Step 2: Convert to fraction form
    7,128,049.20/10,692,073.80 = 3,534,370.80/x
  3. Step 3: Cross multiply
    7,128,049.20x = 10,692,073.80 × 3,534,370.80
  4. Step 4: Simplify right side
    7,128,049.20x = 37,789,753,430,165.04
  5. Step 5: Solve for x
    x = 37,789,753,430,165.04/7,128,049.20
  6. Step 6: Final answer
    x = 5,301,556.20

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1.5x scale

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.