Home / 13,882,835.53-19,158,072.87-7,687,759.51

Finding the Fourth Proportional to 13,882,835.53, 19,158,072.87 and 7,687,759.51

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Solution

The fourth proportional to 13,882,835.53, 19,158,072.87 and 7,687,759.51 is: 10,608,975.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,882,835.53 : 19,158,072.87 = 7,687,759.51 : x
  2. Step 2: Convert to fraction form
    13,882,835.53/19,158,072.87 = 7,687,759.51/x
  3. Step 3: Cross multiply
    13,882,835.53x = 19,158,072.87 × 7,687,759.51
  4. Step 4: Simplify right side
    13,882,835.53x = 147,282,656,899,615.50
  5. Step 5: Solve for x
    x = 147,282,656,899,615.50/13,882,835.53
  6. Step 6: Final answer
    x = 10,608,975.13

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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.