Home / 12,096,962.60-18,145,443.90-7,617,986.60

Finding the Fourth Proportional to 12,096,962.60, 18,145,443.90 and 7,617,986.60

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Solution

The fourth proportional to 12,096,962.60, 18,145,443.90 and 7,617,986.60 is: 11,426,979.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,096,962.60 : 18,145,443.90 = 7,617,986.60 : x
  2. Step 2: Convert to fraction form
    12,096,962.60/18,145,443.90 = 7,617,986.60/x
  3. Step 3: Cross multiply
    12,096,962.60x = 18,145,443.90 × 7,617,986.60
  4. Step 4: Simplify right side
    12,096,962.60x = 138,231,748,481,251.72
  5. Step 5: Solve for x
    x = 138,231,748,481,251.72/12,096,962.60
  6. Step 6: Final answer
    x = 11,426,979.90

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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.