Finding the Fourth Proportional to 35,302,558.74, 48,721,475.88 and 21,371,589.60
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Solution
The fourth proportional to 35,302,558.74, 48,721,475.88 and 21,371,589.60 is: 29,495,181.78
Step by Step Solution
- Step 1: Write the proportion equation
35,302,558.74 : 48,721,475.88 = 21,371,589.60 : x - Step 2: Convert to fraction form
35,302,558.74/48,721,475.88 = 21,371,589.60/x - Step 3: Cross multiply
35,302,558.74x = 48,721,475.88 × 21,371,589.60 - Step 4: Simplify right side
35,302,558.74x = 1,041,255,387,213,659 - Step 5: Solve for x
x = 1,041,255,387,213,659/35,302,558.74 - Step 6: Final answer
x = 29,495,181.78
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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.