Home / 8,422,182.88-11,622,703.68-4,554,779.20

Finding the Fourth Proportional to 8,422,182.88, 11,622,703.68 and 4,554,779.20

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Solution

The fourth proportional to 8,422,182.88, 11,622,703.68 and 4,554,779.20 is: 6,285,644.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,422,182.88 : 11,622,703.68 = 4,554,779.20 : x
  2. Step 2: Convert to fraction form
    8,422,182.88/11,622,703.68 = 4,554,779.20/x
  3. Step 3: Cross multiply
    8,422,182.88x = 11,622,703.68 × 4,554,779.20
  4. Step 4: Simplify right side
    8,422,182.88x = 52,938,848,969,427.45
  5. Step 5: Solve for x
    x = 52,938,848,969,427.45/8,422,182.88
  6. Step 6: Final answer
    x = 6,285,644.67

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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.