Home / 7,884,865.30-11,808,635.55-5,346,778.90

Finding the Fourth Proportional to 7,884,865.30, 11,808,635.55 and 5,346,778.90

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Solution

The fourth proportional to 7,884,865.30, 11,808,635.55 and 5,346,778.90 is: 8,007,513.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,884,865.30 : 11,808,635.55 = 5,346,778.90 : x
  2. Step 2: Convert to fraction form
    7,884,865.30/11,808,635.55 = 5,346,778.90/x
  3. Step 3: Cross multiply
    7,884,865.30x = 11,808,635.55 × 5,346,778.90
  4. Step 4: Simplify right side
    7,884,865.30x = 63,138,163,396,529.91
  5. Step 5: Solve for x
    x = 63,138,163,396,529.91/7,884,865.30
  6. Step 6: Final answer
    x = 8,007,513.25

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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.