Home / 12,111,306.24-18,146,394.48-7,308,905.84

Finding the Fourth Proportional to 12,111,306.24, 18,146,394.48 and 7,308,905.84

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Solution

The fourth proportional to 12,111,306.24, 18,146,394.48 and 7,308,905.84 is: 10,950,948.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,111,306.24 : 18,146,394.48 = 7,308,905.84 : x
  2. Step 2: Convert to fraction form
    12,111,306.24/18,146,394.48 = 7,308,905.84/x
  3. Step 3: Cross multiply
    12,111,306.24x = 18,146,394.48 × 7,308,905.84
  4. Step 4: Simplify right side
    12,111,306.24x = 132,630,288,589,815.77
  5. Step 5: Solve for x
    x = 132,630,288,589,815.77/12,111,306.24
  6. Step 6: Final answer
    x = 10,950,948.31

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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.