Home / 15,280,170-21,089,629.44-8,758,170.96

Finding the Fourth Proportional to 15,280,170, 21,089,629.44 and 8,758,170.96

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Solution

The fourth proportional to 15,280,170, 21,089,629.44 and 8,758,170.96 is: 12,087,992.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,280,170 : 21,089,629.44 = 8,758,170.96 : x
  2. Step 2: Convert to fraction form
    15,280,170/21,089,629.44 = 8,758,170.96/x
  3. Step 3: Cross multiply
    15,280,170x = 21,089,629.44 × 8,758,170.96
  4. Step 4: Simplify right side
    15,280,170x = 184,706,580,118,569.09
  5. Step 5: Solve for x
    x = 184,706,580,118,569.09/15,280,170
  6. Step 6: Final answer
    x = 12,087,992.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.