Home / 13,357,345.44-18,433,142.69-7,556,003.54

Finding the Fourth Proportional to 13,357,345.44, 18,433,142.69 and 7,556,003.54

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Solution

The fourth proportional to 13,357,345.44, 18,433,142.69 and 7,556,003.54 is: 10,427,288.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,357,345.44 : 18,433,142.69 = 7,556,003.54 : x
  2. Step 2: Convert to fraction form
    13,357,345.44/18,433,142.69 = 7,556,003.54/x
  3. Step 3: Cross multiply
    13,357,345.44x = 18,433,142.69 × 7,556,003.54
  4. Step 4: Simplify right side
    13,357,345.44x = 139,280,891,289,019.39
  5. Step 5: Solve for x
    x = 139,280,891,289,019.39/13,357,345.44
  6. Step 6: Final answer
    x = 10,427,288.26

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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.