Finding the Fourth Proportional to 51,648,993.02, 71,274,749.11 and 28,446,278.96
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Solution
The fourth proportional to 51,648,993.02, 71,274,749.11 and 28,446,278.96 is: 39,255,390.62
Step by Step Solution
- Step 1: Write the proportion equation
51,648,993.02 : 71,274,749.11 = 28,446,278.96 : x - Step 2: Convert to fraction form
51,648,993.02/71,274,749.11 = 28,446,278.96/x - Step 3: Cross multiply
51,648,993.02x = 71,274,749.11 × 28,446,278.96 - Step 4: Simplify right side
51,648,993.02x = 2,027,501,395,987,071.75 - Step 5: Solve for x
x = 2,027,501,395,987,071.75/51,648,993.02 - Step 6: Final answer
x = 39,255,390.62
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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.