Finding the Fourth Proportional to 10,211,044.44, 14,090,981.31 and 5,564,948.88
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Solution
The fourth proportional to 10,211,044.44, 14,090,981.31 and 5,564,948.88 is: 7,679,487.75
Step by Step Solution
- Step 1: Write the proportion equation
10,211,044.44 : 14,090,981.31 = 5,564,948.88 : x - Step 2: Convert to fraction form
10,211,044.44/14,090,981.31 = 5,564,948.88/x - Step 3: Cross multiply
10,211,044.44x = 14,090,981.31 × 5,564,948.88 - Step 4: Simplify right side
10,211,044.44x = 78,415,590,659,185.44 - Step 5: Solve for x
x = 78,415,590,659,185.44/10,211,044.44 - Step 6: Final answer
x = 7,679,487.75
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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.