Home / 13,194,712.08-18,208,262.16-7,314,099.12

Finding the Fourth Proportional to 13,194,712.08, 18,208,262.16 and 7,314,099.12

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Solution

The fourth proportional to 13,194,712.08, 18,208,262.16 and 7,314,099.12 is: 10,093,212.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,194,712.08 : 18,208,262.16 = 7,314,099.12 : x
  2. Step 2: Convert to fraction form
    13,194,712.08/18,208,262.16 = 7,314,099.12/x
  3. Step 3: Cross multiply
    13,194,712.08x = 18,208,262.16 × 7,314,099.12
  4. Step 4: Simplify right side
    13,194,712.08x = 133,177,034,241,185.30
  5. Step 5: Solve for x
    x = 133,177,034,241,185.30/13,194,712.08
  6. Step 6: Final answer
    x = 10,093,212.60

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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.