Home / 7,211,468.78-10,818,057.47-4,516,016.79

Finding the Fourth Proportional to 7,211,468.78, 10,818,057.47 and 4,516,016.79

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Solution

The fourth proportional to 7,211,468.78, 10,818,057.47 and 4,516,016.79 is: 6,774,560.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,211,468.78 : 10,818,057.47 = 4,516,016.79 : x
  2. Step 2: Convert to fraction form
    7,211,468.78/10,818,057.47 = 4,516,016.79/x
  3. Step 3: Cross multiply
    7,211,468.78x = 10,818,057.47 × 4,516,016.79
  4. Step 4: Simplify right side
    7,211,468.78x = 48,854,529,187,692.55
  5. Step 5: Solve for x
    x = 48,854,529,187,692.55/7,211,468.78
  6. Step 6: Final answer
    x = 6,774,560.17

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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.