Home / 12,351,201.28-18,526,845.12-8,746,064.32

Finding the Fourth Proportional to 12,351,201.28, 18,526,845.12 and 8,746,064.32

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Solution

The fourth proportional to 12,351,201.28, 18,526,845.12 and 8,746,064.32 is: 13,119,127.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,351,201.28 : 18,526,845.12 = 8,746,064.32 : x
  2. Step 2: Convert to fraction form
    12,351,201.28/18,526,845.12 = 8,746,064.32/x
  3. Step 3: Cross multiply
    12,351,201.28x = 18,526,845.12 × 8,746,064.32
  4. Step 4: Simplify right side
    12,351,201.28x = 162,036,979,066,198.12
  5. Step 5: Solve for x
    x = 162,036,979,066,198.12/12,351,201.28
  6. Step 6: Final answer
    x = 13,119,127.07

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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.