Home / 11,868,302.20-17,755,214.10-10,288,413.40

Finding the Fourth Proportional to 11,868,302.20, 17,755,214.10 and 10,288,413.40

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Solution

The fourth proportional to 11,868,302.20, 17,755,214.10 and 10,288,413.40 is: 15,391,669.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,868,302.20 : 17,755,214.10 = 10,288,413.40 : x
  2. Step 2: Convert to fraction form
    11,868,302.20/17,755,214.10 = 10,288,413.40/x
  3. Step 3: Cross multiply
    11,868,302.20x = 17,755,214.10 × 10,288,413.40
  4. Step 4: Simplify right side
    11,868,302.20x = 182,672,982,666,308.97
  5. Step 5: Solve for x
    x = 182,672,982,666,308.97/11,868,302.20
  6. Step 6: Final answer
    x = 15,391,669.30

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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.