Home / 10,868,999.40-16,305,467.40-5,464,047.60

Finding the Fourth Proportional to 10,868,999.40, 16,305,467.40 and 5,464,047.60

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Solution

The fourth proportional to 10,868,999.40, 16,305,467.40 and 5,464,047.60 is: 8,197,060.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,868,999.40 : 16,305,467.40 = 5,464,047.60 : x
  2. Step 2: Convert to fraction form
    10,868,999.40/16,305,467.40 = 5,464,047.60/x
  3. Step 3: Cross multiply
    10,868,999.40x = 16,305,467.40 × 5,464,047.60
  4. Step 4: Simplify right side
    10,868,999.40x = 89,093,850,013,848.23
  5. Step 5: Solve for x
    x = 89,093,850,013,848.23/10,868,999.40
  6. Step 6: Final answer
    x = 8,197,060.90

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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.