Home / 18,927,734.40-28,391,601.60-6,149,530.80

Finding the Fourth Proportional to 18,927,734.40, 28,391,601.60 and 6,149,530.80

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Solution

The fourth proportional to 18,927,734.40, 28,391,601.60 and 6,149,530.80 is: 9,224,296.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,927,734.40 : 28,391,601.60 = 6,149,530.80 : x
  2. Step 2: Convert to fraction form
    18,927,734.40/28,391,601.60 = 6,149,530.80/x
  3. Step 3: Cross multiply
    18,927,734.40x = 28,391,601.60 × 6,149,530.80
  4. Step 4: Simplify right side
    18,927,734.40x = 174,595,028,500,529.28
  5. Step 5: Solve for x
    x = 174,595,028,500,529.28/18,927,734.40
  6. Step 6: Final answer
    x = 9,224,296.20

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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.