Home / 30,580,145.87-45,886,211.24-12,386,263.24

Finding the Fourth Proportional to 30,580,145.87, 45,886,211.24 and 12,386,263.24

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Solution

The fourth proportional to 30,580,145.87, 45,886,211.24 and 12,386,263.24 is: 18,585,872.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,580,145.87 : 45,886,211.24 = 12,386,263.24 : x
  2. Step 2: Convert to fraction form
    30,580,145.87/45,886,211.24 = 12,386,263.24/x
  3. Step 3: Cross multiply
    30,580,145.87x = 45,886,211.24 × 12,386,263.24
  4. Step 4: Simplify right side
    30,580,145.87x = 568,358,691,504,886.88
  5. Step 5: Solve for x
    x = 568,358,691,504,886.88/30,580,145.87
  6. Step 6: Final answer
    x = 18,585,872.48

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.