Home / 12,101,802.80-18,152,704.20-9,361,929.20

Finding the Fourth Proportional to 12,101,802.80, 18,152,704.20 and 9,361,929.20

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Solution

The fourth proportional to 12,101,802.80, 18,152,704.20 and 9,361,929.20 is: 14,042,893.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,101,802.80 : 18,152,704.20 = 9,361,929.20 : x
  2. Step 2: Convert to fraction form
    12,101,802.80/18,152,704.20 = 9,361,929.20/x
  3. Step 3: Cross multiply
    12,101,802.80x = 18,152,704.20 × 9,361,929.20
  4. Step 4: Simplify right side
    12,101,802.80x = 169,944,331,508,942.62
  5. Step 5: Solve for x
    x = 169,944,331,508,942.62/12,101,802.80
  6. Step 6: Final answer
    x = 14,042,893.80

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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.