Home / 9,542,353.92-13,168,505.68-5,191,471.42

Finding the Fourth Proportional to 9,542,353.92, 13,168,505.68 and 5,191,471.42

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Solution

The fourth proportional to 9,542,353.92, 13,168,505.68 and 5,191,471.42 is: 7,164,261.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,542,353.92 : 13,168,505.68 = 5,191,471.42 : x
  2. Step 2: Convert to fraction form
    9,542,353.92/13,168,505.68 = 5,191,471.42/x
  3. Step 3: Cross multiply
    9,542,353.92x = 13,168,505.68 × 5,191,471.42
  4. Step 4: Simplify right side
    9,542,353.92x = 68,363,920,881,827.66
  5. Step 5: Solve for x
    x = 68,363,920,881,827.66/9,542,353.92
  6. Step 6: Final answer
    x = 7,164,261.72

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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.