Home / 8,689,028.40-13,033,542.60-6,287,799.60

Finding the Fourth Proportional to 8,689,028.40, 13,033,542.60 and 6,287,799.60

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Solution

The fourth proportional to 8,689,028.40, 13,033,542.60 and 6,287,799.60 is: 9,431,699.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,689,028.40 : 13,033,542.60 = 6,287,799.60 : x
  2. Step 2: Convert to fraction form
    8,689,028.40/13,033,542.60 = 6,287,799.60/x
  3. Step 3: Cross multiply
    8,689,028.40x = 13,033,542.60 × 6,287,799.60
  4. Step 4: Simplify right side
    8,689,028.40x = 81,952,303,946,862.95
  5. Step 5: Solve for x
    x = 81,952,303,946,862.95/8,689,028.40
  6. Step 6: Final answer
    x = 9,431,699.40

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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.