Home / 19,431,479.93-26,805,756.80-11,585,458.67

Finding the Fourth Proportional to 19,431,479.93, 26,805,756.80 and 11,585,458.67

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Solution

The fourth proportional to 19,431,479.93, 26,805,756.80 and 11,585,458.67 is: 15,982,158.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,431,479.93 : 26,805,756.80 = 11,585,458.67 : x
  2. Step 2: Convert to fraction form
    19,431,479.93/26,805,756.80 = 11,585,458.67/x
  3. Step 3: Cross multiply
    19,431,479.93x = 26,805,756.80 × 11,585,458.67
  4. Step 4: Simplify right side
    19,431,479.93x = 310,556,987,419,406.25
  5. Step 5: Solve for x
    x = 310,556,987,419,406.25/19,431,479.93
  6. Step 6: Final answer
    x = 15,982,158.26

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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.