Finding the Fourth Proportional to 15,018,152.14, 20,724,922.46 and 8,493,062.14
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Solution
The fourth proportional to 15,018,152.14, 20,724,922.46 and 8,493,062.14 is: 11,720,353.65
Step by Step Solution
- Step 1: Write the proportion equation
15,018,152.14 : 20,724,922.46 = 8,493,062.14 : x - Step 2: Convert to fraction form
15,018,152.14/20,724,922.46 = 8,493,062.14/x - Step 3: Cross multiply
15,018,152.14x = 20,724,922.46 × 8,493,062.14 - Step 4: Simplify right side
15,018,152.14x = 176,018,054,299,461.69 - Step 5: Solve for x
x = 176,018,054,299,461.69/15,018,152.14 - Step 6: Final answer
x = 11,720,353.65
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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.