Home / 16,915,899.75-23,343,964.73-9,180,942.18

Finding the Fourth Proportional to 16,915,899.75, 23,343,964.73 and 9,180,942.18

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Solution

The fourth proportional to 16,915,899.75, 23,343,964.73 and 9,180,942.18 is: 12,669,712.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,915,899.75 : 23,343,964.73 = 9,180,942.18 : x
  2. Step 2: Convert to fraction form
    16,915,899.75/23,343,964.73 = 9,180,942.18/x
  3. Step 3: Cross multiply
    16,915,899.75x = 23,343,964.73 × 9,180,942.18
  4. Step 4: Simplify right side
    16,915,899.75x = 214,319,590,438,089.31
  5. Step 5: Solve for x
    x = 214,319,590,438,089.31/16,915,899.75
  6. Step 6: Final answer
    x = 12,669,712.73

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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.