Home / 13,357,452.69-18,433,290.69-7,556,110.79

Finding the Fourth Proportional to 13,357,452.69, 18,433,290.69 and 7,556,110.79

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Solution

The fourth proportional to 13,357,452.69, 18,433,290.69 and 7,556,110.79 is: 10,427,436.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,357,452.69 : 18,433,290.69 = 7,556,110.79 : x
  2. Step 2: Convert to fraction form
    13,357,452.69/18,433,290.69 = 7,556,110.79/x
  3. Step 3: Cross multiply
    13,357,452.69x = 18,433,290.69 × 7,556,110.79
  4. Step 4: Simplify right side
    13,357,452.69x = 139,283,986,585,749.11
  5. Step 5: Solve for x
    x = 139,283,986,585,749.11/13,357,452.69
  6. Step 6: Final answer
    x = 10,427,436.26

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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.