Home / 16,949,109.90-23,389,967.99-9,405,388.95

Finding the Fourth Proportional to 16,949,109.90, 23,389,967.99 and 9,405,388.95

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Solution

The fourth proportional to 16,949,109.90, 23,389,967.99 and 9,405,388.95 is: 12,979,545.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,949,109.90 : 23,389,967.99 = 9,405,388.95 : x
  2. Step 2: Convert to fraction form
    16,949,109.90/23,389,967.99 = 9,405,388.95/x
  3. Step 3: Cross multiply
    16,949,109.90x = 23,389,967.99 × 9,405,388.95
  4. Step 4: Simplify right side
    16,949,109.90x = 219,991,746,426,972.75
  5. Step 5: Solve for x
    x = 219,991,746,426,972.75/16,949,109.90
  6. Step 6: Final answer
    x = 12,979,545.69

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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.