Home / 6,897,667.33-9,518,783.52-3,998,738.67

Finding the Fourth Proportional to 6,897,667.33, 9,518,783.52 and 3,998,738.67

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Solution

The fourth proportional to 6,897,667.33, 9,518,783.52 and 3,998,738.67 is: 5,518,260.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,897,667.33 : 9,518,783.52 = 3,998,738.67 : x
  2. Step 2: Convert to fraction form
    6,897,667.33/9,518,783.52 = 3,998,738.67/x
  3. Step 3: Cross multiply
    6,897,667.33x = 9,518,783.52 × 3,998,738.67
  4. Step 4: Simplify right side
    6,897,667.33x = 38,063,127,752,782.72
  5. Step 5: Solve for x
    x = 38,063,127,752,782.72/6,897,667.33
  6. Step 6: Final answer
    x = 5,518,260.87

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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.