Home / 14,601,689.90-20,148,093.78-8,405,539.52

Finding the Fourth Proportional to 14,601,689.90, 20,148,093.78 and 8,405,539.52

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Solution

The fourth proportional to 14,601,689.90, 20,148,093.78 and 8,405,539.52 is: 11,598,356.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,601,689.90 : 20,148,093.78 = 8,405,539.52 : x
  2. Step 2: Convert to fraction form
    14,601,689.90/20,148,093.78 = 8,405,539.52/x
  3. Step 3: Cross multiply
    14,601,689.90x = 20,148,093.78 × 8,405,539.52
  4. Step 4: Simplify right side
    14,601,689.90x = 169,355,598,520,456.19
  5. Step 5: Solve for x
    x = 169,355,598,520,456.19/14,601,689.90
  6. Step 6: Final answer
    x = 11,598,356.06

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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.