Home / 12,170,779.23-18,259,121.30-3,651,115.70

Finding the Fourth Proportional to 12,170,779.23, 18,259,121.30 and 3,651,115.70

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Solution

The fourth proportional to 12,170,779.23, 18,259,121.30 and 3,651,115.70 is: 5,477,559.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,170,779.23 : 18,259,121.30 = 3,651,115.70 : x
  2. Step 2: Convert to fraction form
    12,170,779.23/18,259,121.30 = 3,651,115.70/x
  3. Step 3: Cross multiply
    12,170,779.23x = 18,259,121.30 × 3,651,115.70
  4. Step 4: Simplify right side
    12,170,779.23x = 66,666,164,494,564.16
  5. Step 5: Solve for x
    x = 66,666,164,494,564.16/12,170,779.23
  6. Step 6: Final answer
    x = 5,477,559.26

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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.