Home / 12,084,784.72-16,677,215.49-6,578,317.84

Finding the Fourth Proportional to 12,084,784.72, 16,677,215.49 and 6,578,317.84

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Solution

The fourth proportional to 12,084,784.72, 16,677,215.49 and 6,578,317.84 is: 9,078,194.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,084,784.72 : 16,677,215.49 = 6,578,317.84 : x
  2. Step 2: Convert to fraction form
    12,084,784.72/16,677,215.49 = 6,578,317.84/x
  3. Step 3: Cross multiply
    12,084,784.72x = 16,677,215.49 × 6,578,317.84
  4. Step 4: Simplify right side
    12,084,784.72x = 109,708,024,179,391.34
  5. Step 5: Solve for x
    x = 109,708,024,179,391.34/12,084,784.72
  6. Step 6: Final answer
    x = 9,078,194.33

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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.