Finding the Fourth Proportional to 18,330,393.05, 27,495,585.47 and 4,683,564.99
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Solution
The fourth proportional to 18,330,393.05, 27,495,585.47 and 4,683,564.99 is: 7,025,346.44
Step by Step Solution
- Step 1: Write the proportion equation
18,330,393.05 : 27,495,585.47 = 4,683,564.99 : x - Step 2: Convert to fraction form
18,330,393.05/27,495,585.47 = 4,683,564.99/x - Step 3: Cross multiply
18,330,393.05x = 27,495,585.47 × 4,683,564.99 - Step 4: Simplify right side
18,330,393.05x = 128,777,361,498,553.61 - Step 5: Solve for x
x = 128,777,361,498,553.61/18,330,393.05 - Step 6: Final answer
x = 7,025,346.44
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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.