Finding the Fourth Proportional to 19,075,581.90, 28,615,122.45 and 6,296,114.70
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Solution
The fourth proportional to 19,075,581.90, 28,615,122.45 and 6,296,114.70 is: 9,444,749.53
Step by Step Solution
- Step 1: Write the proportion equation
19,075,581.90 : 28,615,122.45 = 6,296,114.70 : x - Step 2: Convert to fraction form
19,075,581.90/28,615,122.45 = 6,296,114.70/x - Step 3: Cross multiply
19,075,581.90x = 28,615,122.45 × 6,296,114.70 - Step 4: Simplify right side
19,075,581.90x = 180,164,093,099,745.03 - Step 5: Solve for x
x = 180,164,093,099,745.03/19,075,581.90 - Step 6: Final answer
x = 9,444,749.53
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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.