Home / 12,311,946.90-18,467,920.35-3,791,176.20

Finding the Fourth Proportional to 12,311,946.90, 18,467,920.35 and 3,791,176.20

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Solution

The fourth proportional to 12,311,946.90, 18,467,920.35 and 3,791,176.20 is: 5,686,764.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,311,946.90 : 18,467,920.35 = 3,791,176.20 : x
  2. Step 2: Convert to fraction form
    12,311,946.90/18,467,920.35 = 3,791,176.20/x
  3. Step 3: Cross multiply
    12,311,946.90x = 18,467,920.35 × 3,791,176.20
  4. Step 4: Simplify right side
    12,311,946.90x = 70,015,140,094,415.68
  5. Step 5: Solve for x
    x = 70,015,140,094,415.68/12,311,946.90
  6. Step 6: Final answer
    x = 5,686,764.30

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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.