Home / 7,738,026.51-10,667,221.55-5,407,683.85

Finding the Fourth Proportional to 7,738,026.51, 10,667,221.55 and 5,407,683.85

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Solution

The fourth proportional to 7,738,026.51, 10,667,221.55 and 5,407,683.85 is: 7,454,738.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,738,026.51 : 10,667,221.55 = 5,407,683.85 : x
  2. Step 2: Convert to fraction form
    7,738,026.51/10,667,221.55 = 5,407,683.85/x
  3. Step 3: Cross multiply
    7,738,026.51x = 10,667,221.55 × 5,407,683.85
  4. Step 4: Simplify right side
    7,738,026.51x = 57,684,961,700,306.97
  5. Step 5: Solve for x
    x = 57,684,961,700,306.97/7,738,026.51
  6. Step 6: Final answer
    x = 7,454,738.18

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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.