Home / 13,358,910.48-18,434,730.78-7,557,790.92

Finding the Fourth Proportional to 13,358,910.48, 18,434,730.78 and 7,557,790.92

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Solution

The fourth proportional to 13,358,910.48, 18,434,730.78 and 7,557,790.92 is: 10,429,431.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,358,910.48 : 18,434,730.78 = 7,557,790.92 : x
  2. Step 2: Convert to fraction form
    13,358,910.48/18,434,730.78 = 7,557,790.92/x
  3. Step 3: Cross multiply
    13,358,910.48x = 18,434,730.78 × 7,557,790.92
  4. Step 4: Simplify right side
    13,358,910.48x = 139,325,840,901,728.53
  5. Step 5: Solve for x
    x = 139,325,840,901,728.53/13,358,910.48
  6. Step 6: Final answer
    x = 10,429,431.44

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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.