Home / 16,915,906.76-23,343,974.40-9,180,949.16

Finding the Fourth Proportional to 16,915,906.76, 23,343,974.40 and 9,180,949.16

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Solution

The fourth proportional to 16,915,906.76, 23,343,974.40 and 9,180,949.16 is: 12,669,722.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,915,906.76 : 23,343,974.40 = 9,180,949.16 : x
  2. Step 2: Convert to fraction form
    16,915,906.76/23,343,974.40 = 9,180,949.16/x
  3. Step 3: Cross multiply
    16,915,906.76x = 23,343,974.40 × 9,180,949.16
  4. Step 4: Simplify right side
    16,915,906.76x = 214,319,842,158,741.50
  5. Step 5: Solve for x
    x = 214,319,842,158,741.50/16,915,906.76
  6. Step 6: Final answer
    x = 12,669,722.36

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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.