Home / 19,014,757.60-28,522,136.40-11,456,485.60

Finding the Fourth Proportional to 19,014,757.60, 28,522,136.40 and 11,456,485.60

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Solution

The fourth proportional to 19,014,757.60, 28,522,136.40 and 11,456,485.60 is: 17,184,728.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,014,757.60 : 28,522,136.40 = 11,456,485.60 : x
  2. Step 2: Convert to fraction form
    19,014,757.60/28,522,136.40 = 11,456,485.60/x
  3. Step 3: Cross multiply
    19,014,757.60x = 28,522,136.40 × 11,456,485.60
  4. Step 4: Simplify right side
    19,014,757.60x = 326,763,444,947,835.81
  5. Step 5: Solve for x
    x = 326,763,444,947,835.81/19,014,757.60
  6. Step 6: Final answer
    x = 17,184,728.40

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Similar ratio
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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.