Home / 12,168,211.15-18,252,316.73-3,193,670.35

Finding the Fourth Proportional to 12,168,211.15, 18,252,316.73 and 3,193,670.35

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Solution

The fourth proportional to 12,168,211.15, 18,252,316.73 and 3,193,670.35 is: 4,790,505.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,168,211.15 : 18,252,316.73 = 3,193,670.35 : x
  2. Step 2: Convert to fraction form
    12,168,211.15/18,252,316.73 = 3,193,670.35/x
  3. Step 3: Cross multiply
    12,168,211.15x = 18,252,316.73 × 3,193,670.35
  4. Step 4: Simplify right side
    12,168,211.15x = 58,291,882,759,409.96
  5. Step 5: Solve for x
    x = 58,291,882,759,409.96/12,168,211.15
  6. Step 6: Final answer
    x = 4,790,505.53

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1.5x scale

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.