Home / 12,673,621.60-18,996,435.60-6,997,919.20

Finding the Fourth Proportional to 12,673,621.60, 18,996,435.60 and 6,997,919.20

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Solution

The fourth proportional to 12,673,621.60, 18,996,435.60 and 6,997,919.20 is: 10,489,150.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,673,621.60 : 18,996,435.60 = 6,997,919.20 : x
  2. Step 2: Convert to fraction form
    12,673,621.60/18,996,435.60 = 6,997,919.20/x
  3. Step 3: Cross multiply
    12,673,621.60x = 18,996,435.60 × 6,997,919.20
  4. Step 4: Simplify right side
    12,673,621.60x = 132,935,521,416,803.53
  5. Step 5: Solve for x
    x = 132,935,521,416,803.53/12,673,621.60
  6. Step 6: Final answer
    x = 10,489,150.27

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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.