Home / 7,027,021.34-10,540,706.96-1,978,297.82

Finding the Fourth Proportional to 7,027,021.34, 10,540,706.96 and 1,978,297.82

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Solution

The fourth proportional to 7,027,021.34, 10,540,706.96 and 1,978,297.82 is: 2,967,495.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,027,021.34 : 10,540,706.96 = 1,978,297.82 : x
  2. Step 2: Convert to fraction form
    7,027,021.34/10,540,706.96 = 1,978,297.82/x
  3. Step 3: Cross multiply
    7,027,021.34x = 10,540,706.96 × 1,978,297.82
  4. Step 4: Simplify right side
    7,027,021.34x = 20,852,657,537,631.80
  5. Step 5: Solve for x
    x = 20,852,657,537,631.80/7,027,021.34
  6. Step 6: Final answer
    x = 2,967,495.98

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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.