Home / 13,628,466.30-20,442,699.45-8,589,618.30

Finding the Fourth Proportional to 13,628,466.30, 20,442,699.45 and 8,589,618.30

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Solution

The fourth proportional to 13,628,466.30, 20,442,699.45 and 8,589,618.30 is: 12,884,427.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,628,466.30 : 20,442,699.45 = 8,589,618.30 : x
  2. Step 2: Convert to fraction form
    13,628,466.30/20,442,699.45 = 8,589,618.30/x
  3. Step 3: Cross multiply
    13,628,466.30x = 20,442,699.45 × 8,589,618.30
  4. Step 4: Simplify right side
    13,628,466.30x = 175,594,985,297,119.94
  5. Step 5: Solve for x
    x = 175,594,985,297,119.94/13,628,466.30
  6. Step 6: Final answer
    x = 12,884,427.45

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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.