Home / 7,880,990.48-11,795,438.54-7,172,796.14

Finding the Fourth Proportional to 7,880,990.48, 11,795,438.54 and 7,172,796.14

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Solution

The fourth proportional to 7,880,990.48, 11,795,438.54 and 7,172,796.14 is: 10,735,487.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,880,990.48 : 11,795,438.54 = 7,172,796.14 : x
  2. Step 2: Convert to fraction form
    7,880,990.48/11,795,438.54 = 7,172,796.14/x
  3. Step 3: Cross multiply
    7,880,990.48x = 11,795,438.54 × 7,172,796.14
  4. Step 4: Simplify right side
    7,880,990.48x = 84,606,276,029,319.22
  5. Step 5: Solve for x
    x = 84,606,276,029,319.22/7,880,990.48
  6. Step 6: Final answer
    x = 10,735,487.66

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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.