Home / 6,868,400.82-9,477,918.99-3,812,374.50

Finding the Fourth Proportional to 6,868,400.82, 9,477,918.99 and 3,812,374.50

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Solution

The fourth proportional to 6,868,400.82, 9,477,918.99 and 3,812,374.50 is: 5,260,813.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,868,400.82 : 9,477,918.99 = 3,812,374.50 : x
  2. Step 2: Convert to fraction form
    6,868,400.82/9,477,918.99 = 3,812,374.50/x
  3. Step 3: Cross multiply
    6,868,400.82x = 9,477,918.99 × 3,812,374.50
  4. Step 4: Simplify right side
    6,868,400.82x = 36,133,376,670,541.76
  5. Step 5: Solve for x
    x = 36,133,376,670,541.76/6,868,400.82
  6. Step 6: Final answer
    x = 5,260,813.63

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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.