Home / 13,824,132.40-20,736,198.60-12,144,516.40

Finding the Fourth Proportional to 13,824,132.40, 20,736,198.60 and 12,144,516.40

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Solution

The fourth proportional to 13,824,132.40, 20,736,198.60 and 12,144,516.40 is: 18,216,774.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,824,132.40 : 20,736,198.60 = 12,144,516.40 : x
  2. Step 2: Convert to fraction form
    13,824,132.40/20,736,198.60 = 12,144,516.40/x
  3. Step 3: Cross multiply
    13,824,132.40x = 20,736,198.60 × 12,144,516.40
  4. Step 4: Simplify right side
    13,824,132.40x = 251,831,103,971,357.06
  5. Step 5: Solve for x
    x = 251,831,103,971,357.06/13,824,132.40
  6. Step 6: Final answer
    x = 18,216,774.60

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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.