Home / 12,992,394.60-19,472,003.10-9,985,674.60

Finding the Fourth Proportional to 12,992,394.60, 19,472,003.10 and 9,985,674.60

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Solution

The fourth proportional to 12,992,394.60, 19,472,003.10 and 9,985,674.60 is: 14,965,762.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,992,394.60 : 19,472,003.10 = 9,985,674.60 : x
  2. Step 2: Convert to fraction form
    12,992,394.60/19,472,003.10 = 9,985,674.60/x
  3. Step 3: Cross multiply
    12,992,394.60x = 19,472,003.10 × 9,985,674.60
  4. Step 4: Simplify right side
    12,992,394.60x = 194,441,086,766,791.28
  5. Step 5: Solve for x
    x = 194,441,086,766,791.28/12,992,394.60
  6. Step 6: Final answer
    x = 14,965,762.11

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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.