Home / 14,305,738.05-21,458,607.08-12,738,096.45

Finding the Fourth Proportional to 14,305,738.05, 21,458,607.08 and 12,738,096.45

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Solution

The fourth proportional to 14,305,738.05, 21,458,607.08 and 12,738,096.45 is: 19,107,144.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,305,738.05 : 21,458,607.08 = 12,738,096.45 : x
  2. Step 2: Convert to fraction form
    14,305,738.05/21,458,607.08 = 12,738,096.45/x
  3. Step 3: Cross multiply
    14,305,738.05x = 21,458,607.08 × 12,738,096.45
  4. Step 4: Simplify right side
    14,305,738.05x = 273,341,806,604,002.34
  5. Step 5: Solve for x
    x = 273,341,806,604,002.34/14,305,738.05
  6. Step 6: Final answer
    x = 19,107,144.68

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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.