Home / 7,014,361.95-9,678,848.36-3,916,507.23

Finding the Fourth Proportional to 7,014,361.95, 9,678,848.36 and 3,916,507.23

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Solution

The fourth proportional to 7,014,361.95, 9,678,848.36 and 3,916,507.23 is: 5,404,237.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,014,361.95 : 9,678,848.36 = 3,916,507.23 : x
  2. Step 2: Convert to fraction form
    7,014,361.95/9,678,848.36 = 3,916,507.23/x
  3. Step 3: Cross multiply
    7,014,361.95x = 9,678,848.36 × 3,916,507.23
  4. Step 4: Simplify right side
    7,014,361.95x = 37,907,279,560,431.11
  5. Step 5: Solve for x
    x = 37,907,279,560,431.11/7,014,361.95
  6. Step 6: Final answer
    x = 5,404,237.74

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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.