Home / 10,027,121.70-15,046,587.45-3,638,019.90

Finding the Fourth Proportional to 10,027,121.70, 15,046,587.45 and 3,638,019.90

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Solution

The fourth proportional to 10,027,121.70, 15,046,587.45 and 3,638,019.90 is: 5,459,172.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,027,121.70 : 15,046,587.45 = 3,638,019.90 : x
  2. Step 2: Convert to fraction form
    10,027,121.70/15,046,587.45 = 3,638,019.90/x
  3. Step 3: Cross multiply
    10,027,121.70x = 15,046,587.45 × 3,638,019.90
  4. Step 4: Simplify right side
    10,027,121.70x = 54,739,784,570,190.25
  5. Step 5: Solve for x
    x = 54,739,784,570,190.25/10,027,121.70
  6. Step 6: Final answer
    x = 5,459,172.25

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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.