Home / 14,096,721.60-21,128,493.60-7,361,668.80

Finding the Fourth Proportional to 14,096,721.60, 21,128,493.60 and 7,361,668.80

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Solution

The fourth proportional to 14,096,721.60, 21,128,493.60 and 7,361,668.80 is: 11,033,840.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,096,721.60 : 21,128,493.60 = 7,361,668.80 : x
  2. Step 2: Convert to fraction form
    14,096,721.60/21,128,493.60 = 7,361,668.80/x
  3. Step 3: Cross multiply
    14,096,721.60x = 21,128,493.60 × 7,361,668.80
  4. Step 4: Simplify right side
    14,096,721.60x = 155,540,972,126,119.69
  5. Step 5: Solve for x
    x = 155,540,972,126,119.69/14,096,721.60
  6. Step 6: Final answer
    x = 11,033,840.10

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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.