Home / 7,231,166.08-9,978,981.81-3,968,035.41

Finding the Fourth Proportional to 7,231,166.08, 9,978,981.81 and 3,968,035.41

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Solution

The fourth proportional to 7,231,166.08, 9,978,981.81 and 3,968,035.41 is: 5,475,873.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,231,166.08 : 9,978,981.81 = 3,968,035.41 : x
  2. Step 2: Convert to fraction form
    7,231,166.08/9,978,981.81 = 3,968,035.41/x
  3. Step 3: Cross multiply
    7,231,166.08x = 9,978,981.81 × 3,968,035.41
  4. Step 4: Simplify right side
    7,231,166.08x = 39,596,953,152,878.45
  5. Step 5: Solve for x
    x = 39,596,953,152,878.45/7,231,166.08
  6. Step 6: Final answer
    x = 5,475,873.84

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.