Home / 13,388,592.60-18,476,647.44-7,587,181.44

Finding the Fourth Proportional to 13,388,592.60, 18,476,647.44 and 7,587,181.44

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Solution

The fourth proportional to 13,388,592.60, 18,476,647.44 and 7,587,181.44 is: 10,470,531.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,388,592.60 : 18,476,647.44 = 7,587,181.44 : x
  2. Step 2: Convert to fraction form
    13,388,592.60/18,476,647.44 = 7,587,181.44/x
  3. Step 3: Cross multiply
    13,388,592.60x = 18,476,647.44 × 7,587,181.44
  4. Step 4: Simplify right side
    13,388,592.60x = 140,185,676,530,191.53
  5. Step 5: Solve for x
    x = 140,185,676,530,191.53/13,388,592.60
  6. Step 6: Final answer
    x = 10,470,531.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.