Home / 13,358,902.16-18,435,274.44-7,247,331.92

Finding the Fourth Proportional to 13,358,902.16, 18,435,274.44 and 7,247,331.92

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Solution

The fourth proportional to 13,358,902.16, 18,435,274.44 and 7,247,331.92 is: 10,001,312.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,358,902.16 : 18,435,274.44 = 7,247,331.92 : x
  2. Step 2: Convert to fraction form
    13,358,902.16/18,435,274.44 = 7,247,331.92/x
  3. Step 3: Cross multiply
    13,358,902.16x = 18,435,274.44 × 7,247,331.92
  4. Step 4: Simplify right side
    13,358,902.16x = 133,606,552,902,972.14
  5. Step 5: Solve for x
    x = 133,606,552,902,972.14/13,358,902.16
  6. Step 6: Final answer
    x = 10,001,312.33

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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.