Home / 12,310,844.49-16,989,845.00-6,804,100.80

Finding the Fourth Proportional to 12,310,844.49, 16,989,845.00 and 6,804,100.80

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Solution

The fourth proportional to 12,310,844.49, 16,989,845.00 and 6,804,100.80 is: 9,390,145.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,310,844.49 : 16,989,845.00 = 6,804,100.80 : x
  2. Step 2: Convert to fraction form
    12,310,844.49/16,989,845.00 = 6,804,100.80/x
  3. Step 3: Cross multiply
    12,310,844.49x = 16,989,845.00 × 6,804,100.80
  4. Step 4: Simplify right side
    12,310,844.49x = 115,600,617,922,355.50
  5. Step 5: Solve for x
    x = 115,600,617,922,355.50/12,310,844.49
  6. Step 6: Final answer
    x = 9,390,145.25

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1.5x scale

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.