Home / 13,436,722.80-18,542,500.39-7,556,355.24

Finding the Fourth Proportional to 13,436,722.80, 18,542,500.39 and 7,556,355.24

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Solution

The fourth proportional to 13,436,722.80, 18,542,500.39 and 7,556,355.24 is: 10,427,670.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,436,722.80 : 18,542,500.39 = 7,556,355.24 : x
  2. Step 2: Convert to fraction form
    13,436,722.80/18,542,500.39 = 7,556,355.24/x
  3. Step 3: Cross multiply
    13,436,722.80x = 18,542,500.39 × 7,556,355.24
  4. Step 4: Simplify right side
    13,436,722.80x = 140,113,719,984,678.55
  5. Step 5: Solve for x
    x = 140,113,719,984,678.55/13,436,722.80
  6. Step 6: Final answer
    x = 10,427,670.65

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1.5x scale

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.