Home / 13,759,815.08-18,988,556.96-7,564,967.18

Finding the Fourth Proportional to 13,759,815.08, 18,988,556.96 and 7,564,967.18

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Solution

The fourth proportional to 13,759,815.08, 18,988,556.96 and 7,564,967.18 is: 10,439,661.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,759,815.08 : 18,988,556.96 = 7,564,967.18 : x
  2. Step 2: Convert to fraction form
    13,759,815.08/18,988,556.96 = 7,564,967.18/x
  3. Step 3: Cross multiply
    13,759,815.08x = 18,988,556.96 × 7,564,967.18
  4. Step 4: Simplify right side
    13,759,815.08x = 143,647,810,197,960.56
  5. Step 5: Solve for x
    x = 143,647,810,197,960.56/13,759,815.08
  6. Step 6: Final answer
    x = 10,439,661.39

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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.