Home / 12,296,538.20-18,444,807.30-7,812,032.60

Finding the Fourth Proportional to 12,296,538.20, 18,444,807.30 and 7,812,032.60

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Solution

The fourth proportional to 12,296,538.20, 18,444,807.30 and 7,812,032.60 is: 11,718,048.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,296,538.20 : 18,444,807.30 = 7,812,032.60 : x
  2. Step 2: Convert to fraction form
    12,296,538.20/18,444,807.30 = 7,812,032.60/x
  3. Step 3: Cross multiply
    12,296,538.20x = 18,444,807.30 × 7,812,032.60
  4. Step 4: Simplify right side
    12,296,538.20x = 144,091,435,928,317.97
  5. Step 5: Solve for x
    x = 144,091,435,928,317.97/12,296,538.20
  6. Step 6: Final answer
    x = 11,718,048.90

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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.