Home / 13,729,450.73-20,626,333.20-12,953,866.72

Finding the Fourth Proportional to 13,729,450.73, 20,626,333.20 and 12,953,866.72

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Solution

The fourth proportional to 13,729,450.73, 20,626,333.20 and 12,953,866.72 is: 19,461,140.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,729,450.73 : 20,626,333.20 = 12,953,866.72 : x
  2. Step 2: Convert to fraction form
    13,729,450.73/20,626,333.20 = 12,953,866.72/x
  3. Step 3: Cross multiply
    13,729,450.73x = 20,626,333.20 × 12,953,866.72
  4. Step 4: Simplify right side
    13,729,450.73x = 267,190,771,195,111.09
  5. Step 5: Solve for x
    x = 267,190,771,195,111.09/13,729,450.73
  6. Step 6: Final answer
    x = 19,461,140.61

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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.