Home / 8,092,955.70-12,139,433.55-7,431,606.90

Finding the Fourth Proportional to 8,092,955.70, 12,139,433.55 and 7,431,606.90

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Solution

The fourth proportional to 8,092,955.70, 12,139,433.55 and 7,431,606.90 is: 11,147,410.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,092,955.70 : 12,139,433.55 = 7,431,606.90 : x
  2. Step 2: Convert to fraction form
    8,092,955.70/12,139,433.55 = 7,431,606.90/x
  3. Step 3: Cross multiply
    8,092,955.70x = 12,139,433.55 × 7,431,606.90
  4. Step 4: Simplify right side
    8,092,955.70x = 90,215,498,132,271.50
  5. Step 5: Solve for x
    x = 90,215,498,132,271.50/8,092,955.70
  6. Step 6: Final answer
    x = 11,147,410.35

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Similar ratio
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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.