Home / 7,939,905.73-11,905,056.20-3,562,243.52

Finding the Fourth Proportional to 7,939,905.73, 11,905,056.20 and 3,562,243.52

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Solution

The fourth proportional to 7,939,905.73, 11,905,056.20 and 3,562,243.52 is: 5,341,210.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,939,905.73 : 11,905,056.20 = 3,562,243.52 : x
  2. Step 2: Convert to fraction form
    7,939,905.73/11,905,056.20 = 3,562,243.52/x
  3. Step 3: Cross multiply
    7,939,905.73x = 11,905,056.20 × 3,562,243.52
  4. Step 4: Simplify right side
    7,939,905.73x = 42,408,709,253,066.16
  5. Step 5: Solve for x
    x = 42,408,709,253,066.16/7,939,905.73
  6. Step 6: Final answer
    x = 5,341,210.68

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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.