Home / 13,102,447.20-19,653,670.80-8,295,858.60

Finding the Fourth Proportional to 13,102,447.20, 19,653,670.80 and 8,295,858.60

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Solution

The fourth proportional to 13,102,447.20, 19,653,670.80 and 8,295,858.60 is: 12,443,787.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,102,447.20 : 19,653,670.80 = 8,295,858.60 : x
  2. Step 2: Convert to fraction form
    13,102,447.20/19,653,670.80 = 8,295,858.60/x
  3. Step 3: Cross multiply
    13,102,447.20x = 19,653,670.80 × 8,295,858.60
  4. Step 4: Simplify right side
    13,102,447.20x = 163,044,073,927,748.88
  5. Step 5: Solve for x
    x = 163,044,073,927,748.88/13,102,447.20
  6. Step 6: Final answer
    x = 12,443,787.90

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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.