Home / 5,112,191.20-7,658,955.60-4,160,408.80

Finding the Fourth Proportional to 5,112,191.20, 7,658,955.60 and 4,160,408.80

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Solution

The fourth proportional to 5,112,191.20, 7,658,955.60 and 4,160,408.80 is: 6,233,019.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,112,191.20 : 7,658,955.60 = 4,160,408.80 : x
  2. Step 2: Convert to fraction form
    5,112,191.20/7,658,955.60 = 4,160,408.80/x
  3. Step 3: Cross multiply
    5,112,191.20x = 7,658,955.60 × 4,160,408.80
  4. Step 4: Simplify right side
    5,112,191.20x = 31,864,386,277,049.28
  5. Step 5: Solve for x
    x = 31,864,386,277,049.28/5,112,191.20
  6. Step 6: Final answer
    x = 6,233,019.27

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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.