Finding the Fourth Proportional to 51,191,218.08, 70,645,608 and 27,985,884.48
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Solution
The fourth proportional to 51,191,218.08, 70,645,608 and 27,985,884.48 is: 38,621,464.75
Step by Step Solution
- Step 1: Write the proportion equation
51,191,218.08 : 70,645,608 = 27,985,884.48 : x - Step 2: Convert to fraction form
51,191,218.08/70,645,608 = 27,985,884.48/x - Step 3: Cross multiply
51,191,218.08x = 70,645,608 × 27,985,884.48 - Step 4: Simplify right side
51,191,218.08x = 1,977,079,824,507,363.75 - Step 5: Solve for x
x = 1,977,079,824,507,363.75/51,191,218.08 - Step 6: Final answer
x = 38,621,464.75
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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.