Home / 8,298,413.10-12,447,619.65-7,794,528.30

Finding the Fourth Proportional to 8,298,413.10, 12,447,619.65 and 7,794,528.30

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Solution

The fourth proportional to 8,298,413.10, 12,447,619.65 and 7,794,528.30 is: 11,691,792.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,298,413.10 : 12,447,619.65 = 7,794,528.30 : x
  2. Step 2: Convert to fraction form
    8,298,413.10/12,447,619.65 = 7,794,528.30/x
  3. Step 3: Cross multiply
    8,298,413.10x = 12,447,619.65 × 7,794,528.30
  4. Step 4: Simplify right side
    8,298,413.10x = 97,023,323,629,561.09
  5. Step 5: Solve for x
    x = 97,023,323,629,561.09/8,298,413.10
  6. Step 6: Final answer
    x = 11,691,792.45

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Double scale
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Similar ratio
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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.