Home / 14,483,731.20-21,728,221.20-7,277,128.80

Finding the Fourth Proportional to 14,483,731.20, 21,728,221.20 and 7,277,128.80

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Solution

The fourth proportional to 14,483,731.20, 21,728,221.20 and 7,277,128.80 is: 10,917,011.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,483,731.20 : 21,728,221.20 = 7,277,128.80 : x
  2. Step 2: Convert to fraction form
    14,483,731.20/21,728,221.20 = 7,277,128.80/x
  3. Step 3: Cross multiply
    14,483,731.20x = 21,728,221.20 × 7,277,128.80
  4. Step 4: Simplify right side
    14,483,731.20x = 158,119,064,267,290.56
  5. Step 5: Solve for x
    x = 158,119,064,267,290.56/14,483,731.20
  6. Step 6: Final answer
    x = 10,917,011.79

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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.