Home / 12,076,616-16,665,730.08-6,643,991.36

Finding the Fourth Proportional to 12,076,616, 16,665,730.08 and 6,643,991.36

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Solution

The fourth proportional to 12,076,616, 16,665,730.08 and 6,643,991.36 is: 9,168,708.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,076,616 : 16,665,730.08 = 6,643,991.36 : x
  2. Step 2: Convert to fraction form
    12,076,616/16,665,730.08 = 6,643,991.36/x
  3. Step 3: Cross multiply
    12,076,616x = 16,665,730.08 × 6,643,991.36
  4. Step 4: Simplify right side
    12,076,616x = 110,726,966,659,612.11
  5. Step 5: Solve for x
    x = 110,726,966,659,612.11/12,076,616
  6. Step 6: Final answer
    x = 9,168,708.08

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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.