Home / 7,106,766.78-9,807,338.16-3,843,581.50

Finding the Fourth Proportional to 7,106,766.78, 9,807,338.16 and 3,843,581.50

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Solution

The fourth proportional to 7,106,766.78, 9,807,338.16 and 3,843,581.50 is: 5,304,142.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,106,766.78 : 9,807,338.16 = 3,843,581.50 : x
  2. Step 2: Convert to fraction form
    7,106,766.78/9,807,338.16 = 3,843,581.50/x
  3. Step 3: Cross multiply
    7,106,766.78x = 9,807,338.16 × 3,843,581.50
  4. Step 4: Simplify right side
    7,106,766.78x = 37,695,303,516,020.04
  5. Step 5: Solve for x
    x = 37,695,303,516,020.04/7,106,766.78
  6. Step 6: Final answer
    x = 5,304,142.47

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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.