Home / 13,895,999.40-20,843,999.10-4,921,458.60

Finding the Fourth Proportional to 13,895,999.40, 20,843,999.10 and 4,921,458.60

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Solution

The fourth proportional to 13,895,999.40, 20,843,999.10 and 4,921,458.60 is: 7,382,187.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,895,999.40 : 20,843,999.10 = 4,921,458.60 : x
  2. Step 2: Convert to fraction form
    13,895,999.40/20,843,999.10 = 4,921,458.60/x
  3. Step 3: Cross multiply
    13,895,999.40x = 20,843,999.10 × 4,921,458.60
  4. Step 4: Simplify right side
    13,895,999.40x = 102,582,878,629,087.27
  5. Step 5: Solve for x
    x = 102,582,878,629,087.27/13,895,999.40
  6. Step 6: Final answer
    x = 7,382,187.90

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1.5x scale

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.