Home / 12,600,179.36-18,891,870.96-6,121,527.20

Finding the Fourth Proportional to 12,600,179.36, 18,891,870.96 and 6,121,527.20

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Solution

The fourth proportional to 12,600,179.36, 18,891,870.96 and 6,121,527.20 is: 9,178,210.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,600,179.36 : 18,891,870.96 = 6,121,527.20 : x
  2. Step 2: Convert to fraction form
    12,600,179.36/18,891,870.96 = 6,121,527.20/x
  3. Step 3: Cross multiply
    12,600,179.36x = 18,891,870.96 × 6,121,527.20
  4. Step 4: Simplify right side
    12,600,179.36x = 115,647,101,940,530.12
  5. Step 5: Solve for x
    x = 115,647,101,940,530.12/12,600,179.36
  6. Step 6: Final answer
    x = 9,178,210.77

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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.