Home / 13,831,749.60-20,733,627.60-8,149,048.80

Finding the Fourth Proportional to 13,831,749.60, 20,733,627.60 and 8,149,048.80

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Solution

The fourth proportional to 13,831,749.60, 20,733,627.60 and 8,149,048.80 is: 12,215,326.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,831,749.60 : 20,733,627.60 = 8,149,048.80 : x
  2. Step 2: Convert to fraction form
    13,831,749.60/20,733,627.60 = 8,149,048.80/x
  3. Step 3: Cross multiply
    13,831,749.60x = 20,733,627.60 × 8,149,048.80
  4. Step 4: Simplify right side
    13,831,749.60x = 168,959,343,113,426.88
  5. Step 5: Solve for x
    x = 168,959,343,113,426.88/13,831,749.60
  6. Step 6: Final answer
    x = 12,215,326.91

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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.