Home / 12,623,830.49-18,894,023.16-11,489,440.10

Finding the Fourth Proportional to 12,623,830.49, 18,894,023.16 and 11,489,440.10

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Solution

The fourth proportional to 12,623,830.49, 18,894,023.16 and 11,489,440.10 is: 17,196,186.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,623,830.49 : 18,894,023.16 = 11,489,440.10 : x
  2. Step 2: Convert to fraction form
    12,623,830.49/18,894,023.16 = 11,489,440.10/x
  3. Step 3: Cross multiply
    12,623,830.49x = 18,894,023.16 × 11,489,440.10
  4. Step 4: Simplify right side
    12,623,830.49x = 217,081,747,344,832.72
  5. Step 5: Solve for x
    x = 217,081,747,344,832.72/12,623,830.49
  6. Step 6: Final answer
    x = 17,196,186.81

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.