Home / 8,778,538.26-13,166,476.59-2,389,288.50

Finding the Fourth Proportional to 8,778,538.26, 13,166,476.59 and 2,389,288.50

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Solution

The fourth proportional to 8,778,538.26, 13,166,476.59 and 2,389,288.50 is: 3,583,570.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,778,538.26 : 13,166,476.59 = 2,389,288.50 : x
  2. Step 2: Convert to fraction form
    8,778,538.26/13,166,476.59 = 2,389,288.50/x
  3. Step 3: Cross multiply
    8,778,538.26x = 13,166,476.59 × 2,389,288.50
  4. Step 4: Simplify right side
    8,778,538.26x = 31,458,511,102,006.21
  5. Step 5: Solve for x
    x = 31,458,511,102,006.21/8,778,538.26
  6. Step 6: Final answer
    x = 3,583,570.54

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Double scale
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Similar ratio
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1.5x scale

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.