Home / 12,190,817.50-16,824,083.99-6,758,309.50

Finding the Fourth Proportional to 12,190,817.50, 16,824,083.99 and 6,758,309.50

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Solution

The fourth proportional to 12,190,817.50, 16,824,083.99 and 6,758,309.50 is: 9,326,886.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,190,817.50 : 16,824,083.99 = 6,758,309.50 : x
  2. Step 2: Convert to fraction form
    12,190,817.50/16,824,083.99 = 6,758,309.50/x
  3. Step 3: Cross multiply
    12,190,817.50x = 16,824,083.99 × 6,758,309.50
  4. Step 4: Simplify right side
    12,190,817.50x = 113,702,366,582,563.14
  5. Step 5: Solve for x
    x = 113,702,366,582,563.14/12,190,817.50
  6. Step 6: Final answer
    x = 9,326,886.13

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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.