Home / 27,620,743.78-38,109,960.76-17,829,090.98

Finding the Fourth Proportional to 27,620,743.78, 38,109,960.76 and 17,829,090.98

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Solution

The fourth proportional to 27,620,743.78, 38,109,960.76 and 17,829,090.98 is: 24,599,842.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,620,743.78 : 38,109,960.76 = 17,829,090.98 : x
  2. Step 2: Convert to fraction form
    27,620,743.78/38,109,960.76 = 17,829,090.98/x
  3. Step 3: Cross multiply
    27,620,743.78x = 38,109,960.76 × 17,829,090.98
  4. Step 4: Simplify right side
    27,620,743.78x = 679,465,957,634,269.88
  5. Step 5: Solve for x
    x = 679,465,957,634,269.88/27,620,743.78
  6. Step 6: Final answer
    x = 24,599,842.90

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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.