Finding the Fourth Proportional to 13,306,608.48, 18,363,132.72 and 7,195,035.36
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Solution
The fourth proportional to 13,306,608.48, 18,363,132.72 and 7,195,035.36 is: 9,929,155.84
Step by Step Solution
- Step 1: Write the proportion equation
13,306,608.48 : 18,363,132.72 = 7,195,035.36 : x - Step 2: Convert to fraction form
13,306,608.48/18,363,132.72 = 7,195,035.36/x - Step 3: Cross multiply
13,306,608.48x = 18,363,132.72 × 7,195,035.36 - Step 4: Simplify right side
13,306,608.48x = 132,123,389,240,772.98 - Step 5: Solve for x
x = 132,123,389,240,772.98/13,306,608.48 - Step 6: Final answer
x = 9,929,155.84
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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.