Home / 12,148,827.20-18,226,005.60-7,097,537.60

Finding the Fourth Proportional to 12,148,827.20, 18,226,005.60 and 7,097,537.60

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Solution

The fourth proportional to 12,148,827.20, 18,226,005.60 and 7,097,537.60 is: 10,647,921.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,148,827.20 : 18,226,005.60 = 7,097,537.60 : x
  2. Step 2: Convert to fraction form
    12,148,827.20/18,226,005.60 = 7,097,537.60/x
  3. Step 3: Cross multiply
    12,148,827.20x = 18,226,005.60 × 7,097,537.60
  4. Step 4: Simplify right side
    12,148,827.20x = 129,359,760,043,810.56
  5. Step 5: Solve for x
    x = 129,359,760,043,810.56/12,148,827.20
  6. Step 6: Final answer
    x = 10,647,921.64

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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.