Home / 12,562,976.61-17,332,492.75-8,214,608.25

Finding the Fourth Proportional to 12,562,976.61, 17,332,492.75 and 8,214,608.25

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Solution

The fourth proportional to 12,562,976.61, 17,332,492.75 and 8,214,608.25 is: 11,333,272.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,562,976.61 : 17,332,492.75 = 8,214,608.25 : x
  2. Step 2: Convert to fraction form
    12,562,976.61/17,332,492.75 = 8,214,608.25/x
  3. Step 3: Cross multiply
    12,562,976.61x = 17,332,492.75 × 8,214,608.25
  4. Step 4: Simplify right side
    12,562,976.61x = 142,379,637,937,215.19
  5. Step 5: Solve for x
    x = 142,379,637,937,215.19/12,562,976.61
  6. Step 6: Final answer
    x = 11,333,272.55

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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.