Home / 13,358,971.62-18,435,387.51-7,247,398.50

Finding the Fourth Proportional to 13,358,971.62, 18,435,387.51 and 7,247,398.50

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Solution

The fourth proportional to 13,358,971.62, 18,435,387.51 and 7,247,398.50 is: 10,001,413.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,358,971.62 : 18,435,387.51 = 7,247,398.50 : x
  2. Step 2: Convert to fraction form
    13,358,971.62/18,435,387.51 = 7,247,398.50/x
  3. Step 3: Cross multiply
    13,358,971.62x = 18,435,387.51 × 7,247,398.50
  4. Step 4: Simplify right side
    13,358,971.62x = 133,608,599,786,892.75
  5. Step 5: Solve for x
    x = 133,608,599,786,892.75/13,358,971.62
  6. Step 6: Final answer
    x = 10,001,413.55

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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.