Finding the Fourth Proportional to 7,356,044.16, 11,019,719.52 and 4,151,476.80
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Solution
The fourth proportional to 7,356,044.16, 11,019,719.52 and 4,151,476.80 is: 6,219,118.45
Step by Step Solution
- Step 1: Write the proportion equation
7,356,044.16 : 11,019,719.52 = 4,151,476.80 : x - Step 2: Convert to fraction form
7,356,044.16/11,019,719.52 = 4,151,476.80/x - Step 3: Cross multiply
7,356,044.16x = 11,019,719.52 × 4,151,476.80 - Step 4: Simplify right side
7,356,044.16x = 45,748,109,929,787.13 - Step 5: Solve for x
x = 45,748,109,929,787.13/7,356,044.16 - Step 6: Final answer
x = 6,219,118.45
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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.