Home / 15,990,293.92-22,066,606.56-8,648,125.12

Finding the Fourth Proportional to 15,990,293.92, 22,066,606.56 and 8,648,125.12

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Solution

The fourth proportional to 15,990,293.92, 22,066,606.56 and 8,648,125.12 is: 11,934,413.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,990,293.92 : 22,066,606.56 = 8,648,125.12 : x
  2. Step 2: Convert to fraction form
    15,990,293.92/22,066,606.56 = 8,648,125.12/x
  3. Step 3: Cross multiply
    15,990,293.92x = 22,066,606.56 × 8,648,125.12
  4. Step 4: Simplify right side
    15,990,293.92x = 190,834,774,504,692.75
  5. Step 5: Solve for x
    x = 190,834,774,504,692.75/15,990,293.92
  6. Step 6: Final answer
    x = 11,934,413.18

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Double scale
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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.