Home / 13,504,746.87-18,638,324.78-7,702,198.47

Finding the Fourth Proportional to 13,504,746.87, 18,638,324.78 and 7,702,198.47

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Solution

The fourth proportional to 13,504,746.87, 18,638,324.78 and 7,702,198.47 is: 10,630,045.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,504,746.87 : 18,638,324.78 = 7,702,198.47 : x
  2. Step 2: Convert to fraction form
    13,504,746.87/18,638,324.78 = 7,702,198.47/x
  3. Step 3: Cross multiply
    13,504,746.87x = 18,638,324.78 × 7,702,198.47
  4. Step 4: Simplify right side
    13,504,746.87x = 143,556,076,565,368.06
  5. Step 5: Solve for x
    x = 143,556,076,565,368.06/13,504,746.87
  6. Step 6: Final answer
    x = 10,630,045.71

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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.