Home / 6,907,780.80-10,347,674.40-3,912,465.60

Finding the Fourth Proportional to 6,907,780.80, 10,347,674.40 and 3,912,465.60

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Solution

The fourth proportional to 6,907,780.80, 10,347,674.40 and 3,912,465.60 is: 5,860,770.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,907,780.80 : 10,347,674.40 = 3,912,465.60 : x
  2. Step 2: Convert to fraction form
    6,907,780.80/10,347,674.40 = 3,912,465.60/x
  3. Step 3: Cross multiply
    6,907,780.80x = 10,347,674.40 × 3,912,465.60
  4. Step 4: Simplify right side
    6,907,780.80x = 40,484,920,130,000.64
  5. Step 5: Solve for x
    x = 40,484,920,130,000.64/6,907,780.80
  6. Step 6: Final answer
    x = 5,860,770.82

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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.