Home / 12,897,493.85-17,798,174.48-7,096,279.52

Finding the Fourth Proportional to 12,897,493.85, 17,798,174.48 and 7,096,279.52

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Solution

The fourth proportional to 12,897,493.85, 17,798,174.48 and 7,096,279.52 is: 9,792,663.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,897,493.85 : 17,798,174.48 = 7,096,279.52 : x
  2. Step 2: Convert to fraction form
    12,897,493.85/17,798,174.48 = 7,096,279.52/x
  3. Step 3: Cross multiply
    12,897,493.85x = 17,798,174.48 × 7,096,279.52
  4. Step 4: Simplify right side
    12,897,493.85x = 126,300,820,931,338.39
  5. Step 5: Solve for x
    x = 126,300,820,931,338.39/12,897,493.85
  6. Step 6: Final answer
    x = 9,792,663.79

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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.