Home / 14,647,246.80-21,970,870.20-11,812,894.80

Finding the Fourth Proportional to 14,647,246.80, 21,970,870.20 and 11,812,894.80

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Solution

The fourth proportional to 14,647,246.80, 21,970,870.20 and 11,812,894.80 is: 17,719,342.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,647,246.80 : 21,970,870.20 = 11,812,894.80 : x
  2. Step 2: Convert to fraction form
    14,647,246.80/21,970,870.20 = 11,812,894.80/x
  3. Step 3: Cross multiply
    14,647,246.80x = 21,970,870.20 × 11,812,894.80
  4. Step 4: Simplify right side
    14,647,246.80x = 259,539,578,337,054.97
  5. Step 5: Solve for x
    x = 259,539,578,337,054.97/14,647,246.80
  6. Step 6: Final answer
    x = 17,719,342.20

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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.