Home / 13,436,721.42-18,542,498.49-7,556,353.86

Finding the Fourth Proportional to 13,436,721.42, 18,542,498.49 and 7,556,353.86

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Solution

The fourth proportional to 13,436,721.42, 18,542,498.49 and 7,556,353.86 is: 10,427,668.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,436,721.42 : 18,542,498.49 = 7,556,353.86 : x
  2. Step 2: Convert to fraction form
    13,436,721.42/18,542,498.49 = 7,556,353.86/x
  3. Step 3: Cross multiply
    13,436,721.42x = 18,542,498.49 × 7,556,353.86
  4. Step 4: Simplify right side
    13,436,721.42x = 140,113,680,038,955.67
  5. Step 5: Solve for x
    x = 140,113,680,038,955.67/13,436,721.42
  6. Step 6: Final answer
    x = 10,427,668.75

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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.