Finding the Fourth Proportional to 18,330,405.18, 27,495,603.66 and 4,683,577.12
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Solution
The fourth proportional to 18,330,405.18, 27,495,603.66 and 4,683,577.12 is: 7,025,364.63
Step by Step Solution
- Step 1: Write the proportion equation
18,330,405.18 : 27,495,603.66 = 4,683,577.12 : x - Step 2: Convert to fraction form
18,330,405.18/27,495,603.66 = 4,683,577.12/x - Step 3: Cross multiply
18,330,405.18x = 27,495,603.66 × 4,683,577.12 - Step 4: Simplify right side
18,330,405.18x = 128,777,780,202,564.27 - Step 5: Solve for x
x = 128,777,780,202,564.27/18,330,405.18 - Step 6: Final answer
x = 7,025,364.63
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1.5x scale
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.