Home / 6,868,973.88-9,478,708.92-3,812,947.56

Finding the Fourth Proportional to 6,868,973.88, 9,478,708.92 and 3,812,947.56

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Solution

The fourth proportional to 6,868,973.88, 9,478,708.92 and 3,812,947.56 is: 5,261,603.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,868,973.88 : 9,478,708.92 = 3,812,947.56 : x
  2. Step 2: Convert to fraction form
    6,868,973.88/9,478,708.92 = 3,812,947.56/x
  3. Step 3: Cross multiply
    6,868,973.88x = 9,478,708.92 × 3,812,947.56
  4. Step 4: Simplify right side
    6,868,973.88x = 36,141,820,048,464.23
  5. Step 5: Solve for x
    x = 36,141,820,048,464.23/6,868,973.88
  6. Step 6: Final answer
    x = 5,261,603.94

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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.