Home / 12,127,069.28-16,735,608.84-6,620,676.08

Finding the Fourth Proportional to 12,127,069.28, 16,735,608.84 and 6,620,676.08

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Solution

The fourth proportional to 12,127,069.28, 16,735,608.84 and 6,620,676.08 is: 9,136,671.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,127,069.28 : 16,735,608.84 = 6,620,676.08 : x
  2. Step 2: Convert to fraction form
    12,127,069.28/16,735,608.84 = 6,620,676.08/x
  3. Step 3: Cross multiply
    12,127,069.28x = 16,735,608.84 × 6,620,676.08
  4. Step 4: Simplify right side
    12,127,069.28x = 110,801,045,131,224.55
  5. Step 5: Solve for x
    x = 110,801,045,131,224.55/12,127,069.28
  6. Step 6: Final answer
    x = 9,136,671.24

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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.