Finding the Fourth Proportional to 13,264,408.80, 19,907,110.80 and 5,181,256.80
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Solution
The fourth proportional to 13,264,408.80, 19,907,110.80 and 5,181,256.80 is: 7,775,985.70
Step by Step Solution
- Step 1: Write the proportion equation
13,264,408.80 : 19,907,110.80 = 5,181,256.80 : x - Step 2: Convert to fraction form
13,264,408.80/19,907,110.80 = 5,181,256.80/x - Step 3: Cross multiply
13,264,408.80x = 19,907,110.80 × 5,181,256.80 - Step 4: Simplify right side
13,264,408.80x = 103,143,853,200,853.44 - Step 5: Solve for x
x = 103,143,853,200,853.44/13,264,408.80 - Step 6: Final answer
x = 7,775,985.70
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.