Finding the Fourth Proportional to 7,246,664.48, 10,000,521.20 and 3,983,616.74
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Solution
The fourth proportional to 7,246,664.48, 10,000,521.20 and 3,983,616.74 is: 5,497,459.39
Step by Step Solution
- Step 1: Write the proportion equation
7,246,664.48 : 10,000,521.20 = 3,983,616.74 : x - Step 2: Convert to fraction form
7,246,664.48/10,000,521.20 = 3,983,616.74/x - Step 3: Cross multiply
7,246,664.48x = 10,000,521.20 × 3,983,616.74 - Step 4: Simplify right side
7,246,664.48x = 39,838,243,696,005.23 - Step 5: Solve for x
x = 39,838,243,696,005.23/7,246,664.48 - Step 6: Final answer
x = 5,497,459.39
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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.