Home / 10,902,029.60-16,353,044.40-9,201,418.40

Finding the Fourth Proportional to 10,902,029.60, 16,353,044.40 and 9,201,418.40

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Solution

The fourth proportional to 10,902,029.60, 16,353,044.40 and 9,201,418.40 is: 13,802,127.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,902,029.60 : 16,353,044.40 = 9,201,418.40 : x
  2. Step 2: Convert to fraction form
    10,902,029.60/16,353,044.40 = 9,201,418.40/x
  3. Step 3: Cross multiply
    10,902,029.60x = 16,353,044.40 × 9,201,418.40
  4. Step 4: Simplify right side
    10,902,029.60x = 150,471,203,638,176.97
  5. Step 5: Solve for x
    x = 150,471,203,638,176.97/10,902,029.60
  6. Step 6: Final answer
    x = 13,802,127.60

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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.