Home / 13,784,276.52-19,021,989.06-8,630,481.96

Finding the Fourth Proportional to 13,784,276.52, 19,021,989.06 and 8,630,481.96

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Solution

The fourth proportional to 13,784,276.52, 19,021,989.06 and 8,630,481.96 is: 11,909,869.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,784,276.52 : 19,021,989.06 = 8,630,481.96 : x
  2. Step 2: Convert to fraction form
    13,784,276.52/19,021,989.06 = 8,630,481.96/x
  3. Step 3: Cross multiply
    13,784,276.52x = 19,021,989.06 × 8,630,481.96
  4. Step 4: Simplify right side
    13,784,276.52x = 164,168,933,425,647.38
  5. Step 5: Solve for x
    x = 164,168,933,425,647.38/13,784,276.52
  6. Step 6: Final answer
    x = 11,909,869.42

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.