Finding the Fourth Proportional to 51,288,517.91, 70,778,271.35 and 27,767,302.16
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Solution
The fourth proportional to 51,288,517.91, 70,778,271.35 and 27,767,302.16 is: 38,318,940.12
Step by Step Solution
- Step 1: Write the proportion equation
51,288,517.91 : 70,778,271.35 = 27,767,302.16 : x - Step 2: Convert to fraction form
51,288,517.91/70,778,271.35 = 27,767,302.16/x - Step 3: Cross multiply
51,288,517.91x = 70,778,271.35 × 27,767,302.16 - Step 4: Simplify right side
51,288,517.91x = 1,965,321,646,445,193.25 - Step 5: Solve for x
x = 1,965,321,646,445,193.25/51,288,517.91 - Step 6: Final answer
x = 38,318,940.12
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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.