Home / 12,097,208.20-18,145,812.30-5,378,744.20

Finding the Fourth Proportional to 12,097,208.20, 18,145,812.30 and 5,378,744.20

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Solution

The fourth proportional to 12,097,208.20, 18,145,812.30 and 5,378,744.20 is: 8,068,116.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,097,208.20 : 18,145,812.30 = 5,378,744.20 : x
  2. Step 2: Convert to fraction form
    12,097,208.20/18,145,812.30 = 5,378,744.20/x
  3. Step 3: Cross multiply
    12,097,208.20x = 18,145,812.30 × 5,378,744.20
  4. Step 4: Simplify right side
    12,097,208.20x = 97,601,682,662,913.67
  5. Step 5: Solve for x
    x = 97,601,682,662,913.67/12,097,208.20
  6. Step 6: Final answer
    x = 8,068,116.30

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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.