Home / 11,381,013.80-17,071,520.70-10,185,271.55

Finding the Fourth Proportional to 11,381,013.80, 17,071,520.70 and 10,185,271.55

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Solution

The fourth proportional to 11,381,013.80, 17,071,520.70 and 10,185,271.55 is: 15,277,907.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,381,013.80 : 17,071,520.70 = 10,185,271.55 : x
  2. Step 2: Convert to fraction form
    11,381,013.80/17,071,520.70 = 10,185,271.55/x
  3. Step 3: Cross multiply
    11,381,013.80x = 17,071,520.70 × 10,185,271.55
  4. Step 4: Simplify right side
    11,381,013.80x = 173,878,074,100,946.09
  5. Step 5: Solve for x
    x = 173,878,074,100,946.09/11,381,013.80
  6. Step 6: Final answer
    x = 15,277,907.33

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.