Home / 12,923,780.19-17,837,855.79-8,032,696.14

Finding the Fourth Proportional to 12,923,780.19, 17,837,855.79 and 8,032,696.14

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Solution

The fourth proportional to 12,923,780.19, 17,837,855.79 and 8,032,696.14 is: 11,087,009.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,923,780.19 : 17,837,855.79 = 8,032,696.14 : x
  2. Step 2: Convert to fraction form
    12,923,780.19/17,837,855.79 = 8,032,696.14/x
  3. Step 3: Cross multiply
    12,923,780.19x = 17,837,855.79 × 8,032,696.14
  4. Step 4: Simplify right side
    12,923,780.19x = 143,286,075,350,209.62
  5. Step 5: Solve for x
    x = 143,286,075,350,209.62/12,923,780.19
  6. Step 6: Final answer
    x = 11,087,009.62

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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.