Home / 20,355,413.28-30,489,274.14-9,556,532.16

Finding the Fourth Proportional to 20,355,413.28, 30,489,274.14 and 9,556,532.16

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Solution

The fourth proportional to 20,355,413.28, 30,489,274.14 and 9,556,532.16 is: 14,314,213.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,355,413.28 : 30,489,274.14 = 9,556,532.16 : x
  2. Step 2: Convert to fraction form
    20,355,413.28/30,489,274.14 = 9,556,532.16/x
  3. Step 3: Cross multiply
    20,355,413.28x = 30,489,274.14 × 9,556,532.16
  4. Step 4: Simplify right side
    20,355,413.28x = 291,371,728,853,966.38
  5. Step 5: Solve for x
    x = 291,371,728,853,966.38/20,355,413.28
  6. Step 6: Final answer
    x = 14,314,213.37

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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.