Home / 26,464,211.20-39,696,316.80-8,515,129.60

Finding the Fourth Proportional to 26,464,211.20, 39,696,316.80 and 8,515,129.60

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Solution

The fourth proportional to 26,464,211.20, 39,696,316.80 and 8,515,129.60 is: 12,772,694.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,464,211.20 : 39,696,316.80 = 8,515,129.60 : x
  2. Step 2: Convert to fraction form
    26,464,211.20/39,696,316.80 = 8,515,129.60/x
  3. Step 3: Cross multiply
    26,464,211.20x = 39,696,316.80 × 8,515,129.60
  4. Step 4: Simplify right side
    26,464,211.20x = 338,019,282,194,657.25
  5. Step 5: Solve for x
    x = 338,019,282,194,657.25/26,464,211.20
  6. Step 6: Final answer
    x = 12,772,694.40

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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.