Home / 20,451,302.25-28,197,269.03-13,097,044.54

Finding the Fourth Proportional to 20,451,302.25, 28,197,269.03 and 13,097,044.54

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Solution

The fourth proportional to 20,451,302.25, 28,197,269.03 and 13,097,044.54 is: 18,057,573.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,451,302.25 : 28,197,269.03 = 13,097,044.54 : x
  2. Step 2: Convert to fraction form
    20,451,302.25/28,197,269.03 = 13,097,044.54/x
  3. Step 3: Cross multiply
    20,451,302.25x = 28,197,269.03 × 13,097,044.54
  4. Step 4: Simplify right side
    20,451,302.25x = 369,300,888,460,261.75
  5. Step 5: Solve for x
    x = 369,300,888,460,261.75/20,451,302.25
  6. Step 6: Final answer
    x = 18,057,573.25

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.