Home / 6,912,310.40-10,368,465.60-3,926,326.40

Finding the Fourth Proportional to 6,912,310.40, 10,368,465.60 and 3,926,326.40

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Solution

The fourth proportional to 6,912,310.40, 10,368,465.60 and 3,926,326.40 is: 5,889,489.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,912,310.40 : 10,368,465.60 = 3,926,326.40 : x
  2. Step 2: Convert to fraction form
    6,912,310.40/10,368,465.60 = 3,926,326.40/x
  3. Step 3: Cross multiply
    6,912,310.40x = 10,368,465.60 × 3,926,326.40
  4. Step 4: Simplify right side
    6,912,310.40x = 40,709,980,212,771.84
  5. Step 5: Solve for x
    x = 40,709,980,212,771.84/6,912,310.40
  6. Step 6: Final answer
    x = 5,889,489.60

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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.