Home / 6,897,667.58-9,518,783.86-3,998,738.92

Finding the Fourth Proportional to 6,897,667.58, 9,518,783.86 and 3,998,738.92

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Solution

The fourth proportional to 6,897,667.58, 9,518,783.86 and 3,998,738.92 is: 5,518,261.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,897,667.58 : 9,518,783.86 = 3,998,738.92 : x
  2. Step 2: Convert to fraction form
    6,897,667.58/9,518,783.86 = 3,998,738.92/x
  3. Step 3: Cross multiply
    6,897,667.58x = 9,518,783.86 × 3,998,738.92
  4. Step 4: Simplify right side
    6,897,667.58x = 38,063,131,492,049.83
  5. Step 5: Solve for x
    x = 38,063,131,492,049.83/6,897,667.58
  6. Step 6: Final answer
    x = 5,518,261.22

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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.