Home / 7,815,999.32-10,785,960.81-4,378,363.37

Finding the Fourth Proportional to 7,815,999.32, 10,785,960.81 and 4,378,363.37

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Solution

The fourth proportional to 7,815,999.32, 10,785,960.81 and 4,378,363.37 is: 6,042,075.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,815,999.32 : 10,785,960.81 = 4,378,363.37 : x
  2. Step 2: Convert to fraction form
    7,815,999.32/10,785,960.81 = 4,378,363.37/x
  3. Step 3: Cross multiply
    7,815,999.32x = 10,785,960.81 × 4,378,363.37
  4. Step 4: Simplify right side
    7,815,999.32x = 47,224,855,707,277.09
  5. Step 5: Solve for x
    x = 47,224,855,707,277.09/7,815,999.32
  6. Step 6: Final answer
    x = 6,042,075.21

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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.