Home / 7,853,655.40-10,813,374.12-6,673,765.56

Finding the Fourth Proportional to 7,853,655.40, 10,813,374.12 and 6,673,765.56

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Solution

The fourth proportional to 7,853,655.40, 10,813,374.12 and 6,673,765.56 is: 9,188,832.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,853,655.40 : 10,813,374.12 = 6,673,765.56 : x
  2. Step 2: Convert to fraction form
    7,853,655.40/10,813,374.12 = 6,673,765.56/x
  3. Step 3: Cross multiply
    7,853,655.40x = 10,813,374.12 × 6,673,765.56
  4. Step 4: Simplify right side
    7,853,655.40x = 72,165,923,789,451.30
  5. Step 5: Solve for x
    x = 72,165,923,789,451.30/7,853,655.40
  6. Step 6: Final answer
    x = 9,188,832.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.