Home / 7,438,751.71-11,162,432.34-3,120,415.11

Finding the Fourth Proportional to 7,438,751.71, 11,162,432.34 and 3,120,415.11

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Solution

The fourth proportional to 7,438,751.71, 11,162,432.34 and 3,120,415.11 is: 4,682,428.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,438,751.71 : 11,162,432.34 = 3,120,415.11 : x
  2. Step 2: Convert to fraction form
    7,438,751.71/11,162,432.34 = 3,120,415.11/x
  3. Step 3: Cross multiply
    7,438,751.71x = 11,162,432.34 × 3,120,415.11
  4. Step 4: Simplify right side
    7,438,751.71x = 34,831,422,538,088.66
  5. Step 5: Solve for x
    x = 34,831,422,538,088.66/7,438,751.71
  6. Step 6: Final answer
    x = 4,682,428.44

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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.