Home / 21,989,997.36-30,345,168.24-12,200,337.36

Finding the Fourth Proportional to 21,989,997.36, 30,345,168.24 and 12,200,337.36

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Solution

The fourth proportional to 21,989,997.36, 30,345,168.24 and 12,200,337.36 is: 16,835,895.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,989,997.36 : 30,345,168.24 = 12,200,337.36 : x
  2. Step 2: Convert to fraction form
    21,989,997.36/30,345,168.24 = 12,200,337.36/x
  3. Step 3: Cross multiply
    21,989,997.36x = 30,345,168.24 × 12,200,337.36
  4. Step 4: Simplify right side
    21,989,997.36x = 370,221,289,773,957.44
  5. Step 5: Solve for x
    x = 370,221,289,773,957.44/21,989,997.36
  6. Step 6: Final answer
    x = 16,835,895.14

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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.