Home / 13,678,663.20-18,876,413.28-7,483,651.36

Finding the Fourth Proportional to 13,678,663.20, 18,876,413.28 and 7,483,651.36

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Solution

The fourth proportional to 13,678,663.20, 18,876,413.28 and 7,483,651.36 is: 10,327,361.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,678,663.20 : 18,876,413.28 = 7,483,651.36 : x
  2. Step 2: Convert to fraction form
    13,678,663.20/18,876,413.28 = 7,483,651.36/x
  3. Step 3: Cross multiply
    13,678,663.20x = 18,876,413.28 × 7,483,651.36
  4. Step 4: Simplify right side
    13,678,663.20x = 141,264,495,914,794.06
  5. Step 5: Solve for x
    x = 141,264,495,914,794.06/13,678,663.20
  6. Step 6: Final answer
    x = 10,327,361.22

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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.