Home / 12,177,268.56-16,800,536.16-7,020,516.96

Finding the Fourth Proportional to 12,177,268.56, 16,800,536.16 and 7,020,516.96

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Solution

The fourth proportional to 12,177,268.56, 16,800,536.16 and 7,020,516.96 is: 9,685,952.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,177,268.56 : 16,800,536.16 = 7,020,516.96 : x
  2. Step 2: Convert to fraction form
    12,177,268.56/16,800,536.16 = 7,020,516.96/x
  3. Step 3: Cross multiply
    12,177,268.56x = 16,800,536.16 × 7,020,516.96
  4. Step 4: Simplify right side
    12,177,268.56x = 117,948,449,048,373.28
  5. Step 5: Solve for x
    x = 117,948,449,048,373.28/12,177,268.56
  6. Step 6: Final answer
    x = 9,685,952.84

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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.