Home / 7,164,075.80-9,886,382.49-3,900,882.73

Finding the Fourth Proportional to 7,164,075.80, 9,886,382.49 and 3,900,882.73

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Solution

The fourth proportional to 7,164,075.80, 9,886,382.49 and 3,900,882.73 is: 5,383,195.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,164,075.80 : 9,886,382.49 = 3,900,882.73 : x
  2. Step 2: Convert to fraction form
    7,164,075.80/9,886,382.49 = 3,900,882.73/x
  3. Step 3: Cross multiply
    7,164,075.80x = 9,886,382.49 × 3,900,882.73
  4. Step 4: Simplify right side
    7,164,075.80x = 38,565,618,717,415.40
  5. Step 5: Solve for x
    x = 38,565,618,717,415.40/7,164,075.80
  6. Step 6: Final answer
    x = 5,383,195.24

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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.