Home / 7,643,555.21-10,547,912.34-4,158,745.67

Finding the Fourth Proportional to 7,643,555.21, 10,547,912.34 and 4,158,745.67

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Solution

The fourth proportional to 7,643,555.21, 10,547,912.34 and 4,158,745.67 is: 5,738,963.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,643,555.21 : 10,547,912.34 = 4,158,745.67 : x
  2. Step 2: Convert to fraction form
    7,643,555.21/10,547,912.34 = 4,158,745.67/x
  3. Step 3: Cross multiply
    7,643,555.21x = 10,547,912.34 × 4,158,745.67
  4. Step 4: Simplify right side
    7,643,555.21x = 43,866,084,797,884.34
  5. Step 5: Solve for x
    x = 43,866,084,797,884.34/7,643,555.21
  6. Step 6: Final answer
    x = 5,738,963.56

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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.