Home / 6,778,056.20-10,163,876.70-3,939,038.60

Finding the Fourth Proportional to 6,778,056.20, 10,163,876.70 and 3,939,038.60

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Solution

The fourth proportional to 6,778,056.20, 10,163,876.70 and 3,939,038.60 is: 5,906,693.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,778,056.20 : 10,163,876.70 = 3,939,038.60 : x
  2. Step 2: Convert to fraction form
    6,778,056.20/10,163,876.70 = 3,939,038.60/x
  3. Step 3: Cross multiply
    6,778,056.20x = 10,163,876.70 × 3,939,038.60
  4. Step 4: Simplify right side
    6,778,056.20x = 40,035,902,646,940.62
  5. Step 5: Solve for x
    x = 40,035,902,646,940.62/6,778,056.20
  6. Step 6: Final answer
    x = 5,906,693.82

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.