Home / 7,427,447.84-11,142,004.20-6,664,600.36

Finding the Fourth Proportional to 7,427,447.84, 11,142,004.20 and 6,664,600.36

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Solution

The fourth proportional to 7,427,447.84, 11,142,004.20 and 6,664,600.36 is: 9,997,647.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,427,447.84 : 11,142,004.20 = 6,664,600.36 : x
  2. Step 2: Convert to fraction form
    7,427,447.84/11,142,004.20 = 6,664,600.36/x
  3. Step 3: Cross multiply
    7,427,447.84x = 11,142,004.20 × 6,664,600.36
  4. Step 4: Simplify right side
    7,427,447.84x = 74,257,005,202,441.52
  5. Step 5: Solve for x
    x = 74,257,005,202,441.52/7,427,447.84
  6. Step 6: Final answer
    x = 9,997,647.48

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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.