Home / 6,931,947.72-10,393,919.22-2,138,349.96

Finding the Fourth Proportional to 6,931,947.72, 10,393,919.22 and 2,138,349.96

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Solution

The fourth proportional to 6,931,947.72, 10,393,919.22 and 2,138,349.96 is: 3,206,290.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,931,947.72 : 10,393,919.22 = 2,138,349.96 : x
  2. Step 2: Convert to fraction form
    6,931,947.72/10,393,919.22 = 2,138,349.96/x
  3. Step 3: Cross multiply
    6,931,947.72x = 10,393,919.22 × 2,138,349.96
  4. Step 4: Simplify right side
    6,931,947.72x = 22,225,836,748,330.23
  5. Step 5: Solve for x
    x = 22,225,836,748,330.23/6,931,947.72
  6. Step 6: Final answer
    x = 3,206,290.30

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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.