Home / 7,738,027.51-10,667,222.93-5,407,684.85

Finding the Fourth Proportional to 7,738,027.51, 10,667,222.93 and 5,407,684.85

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Solution

The fourth proportional to 7,738,027.51, 10,667,222.93 and 5,407,684.85 is: 7,454,739.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,738,027.51 : 10,667,222.93 = 5,407,684.85 : x
  2. Step 2: Convert to fraction form
    7,738,027.51/10,667,222.93 = 5,407,684.85/x
  3. Step 3: Cross multiply
    7,738,027.51x = 10,667,222.93 × 5,407,684.85
  4. Step 4: Simplify right side
    7,738,027.51x = 57,684,979,830,133.60
  5. Step 5: Solve for x
    x = 57,684,979,830,133.60/7,738,027.51
  6. Step 6: Final answer
    x = 7,454,739.56

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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.