Home / 13,759,815.10-18,988,556.97-7,564,967.20

Finding the Fourth Proportional to 13,759,815.10, 18,988,556.97 and 7,564,967.20

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Solution

The fourth proportional to 13,759,815.10, 18,988,556.97 and 7,564,967.20 is: 10,439,661.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,759,815.10 : 18,988,556.97 = 7,564,967.20 : x
  2. Step 2: Convert to fraction form
    13,759,815.10/18,988,556.97 = 7,564,967.20/x
  3. Step 3: Cross multiply
    13,759,815.10x = 18,988,556.97 × 7,564,967.20
  4. Step 4: Simplify right side
    13,759,815.10x = 143,647,810,653,381.38
  5. Step 5: Solve for x
    x = 143,647,810,653,381.38/13,759,815.10
  6. Step 6: Final answer
    x = 10,439,661.41

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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.