Home / 7,137,811.86-9,850,192.85-3,874,628.79

Finding the Fourth Proportional to 7,137,811.86, 9,850,192.85 and 3,874,628.79

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Solution

The fourth proportional to 7,137,811.86, 9,850,192.85 and 3,874,628.79 is: 5,346,994.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,137,811.86 : 9,850,192.85 = 3,874,628.79 : x
  2. Step 2: Convert to fraction form
    7,137,811.86/9,850,192.85 = 3,874,628.79/x
  3. Step 3: Cross multiply
    7,137,811.86x = 9,850,192.85 × 3,874,628.79
  4. Step 4: Simplify right side
    7,137,811.86x = 38,165,840,784,289.01
  5. Step 5: Solve for x
    x = 38,165,840,784,289.01/7,137,811.86
  6. Step 6: Final answer
    x = 5,346,994.50

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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.