Home / 10,691,999.40-16,037,999.10-6,653,047.80

Finding the Fourth Proportional to 10,691,999.40, 16,037,999.10 and 6,653,047.80

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Solution

The fourth proportional to 10,691,999.40, 16,037,999.10 and 6,653,047.80 is: 9,979,571.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,691,999.40 : 16,037,999.10 = 6,653,047.80 : x
  2. Step 2: Convert to fraction form
    10,691,999.40/16,037,999.10 = 6,653,047.80/x
  3. Step 3: Cross multiply
    10,691,999.40x = 16,037,999.10 × 6,653,047.80
  4. Step 4: Simplify right side
    10,691,999.40x = 106,701,574,628,656.97
  5. Step 5: Solve for x
    x = 106,701,574,628,656.97/10,691,999.40
  6. Step 6: Final answer
    x = 9,979,571.70

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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.