Home / 13,413,615.12-18,510,791.76-7,302,042

Finding the Fourth Proportional to 13,413,615.12, 18,510,791.76 and 7,302,042

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Solution

The fourth proportional to 13,413,615.12, 18,510,791.76 and 7,302,042 is: 10,076,819.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,413,615.12 : 18,510,791.76 = 7,302,042 : x
  2. Step 2: Convert to fraction form
    13,413,615.12/18,510,791.76 = 7,302,042/x
  3. Step 3: Cross multiply
    13,413,615.12x = 18,510,791.76 × 7,302,042
  4. Step 4: Simplify right side
    13,413,615.12x = 135,166,578,884,773.94
  5. Step 5: Solve for x
    x = 135,166,578,884,773.94/13,413,615.12
  6. Step 6: Final answer
    x = 10,076,819.54

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1.5x scale

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.