Finding the Fourth Proportional to 7,619,088.54, 10,511,349.18 and 4,354,151.76
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Solution
The fourth proportional to 7,619,088.54, 10,511,349.18 and 4,354,151.76 is: 6,007,018.99
Step by Step Solution
- Step 1: Write the proportion equation
7,619,088.54 : 10,511,349.18 = 4,354,151.76 : x - Step 2: Convert to fraction form
7,619,088.54/10,511,349.18 = 4,354,151.76/x - Step 3: Cross multiply
7,619,088.54x = 10,511,349.18 × 4,354,151.76 - Step 4: Simplify right side
7,619,088.54x = 45,768,009,532,071.55 - Step 5: Solve for x
x = 45,768,009,532,071.55/7,619,088.54 - Step 6: Final answer
x = 6,007,018.99
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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.