Finding the Fourth Proportional to 22,554,539.68, 31,125,295.52 and 12,241,262.88
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Solution
The fourth proportional to 22,554,539.68, 31,125,295.52 and 12,241,262.88 is: 16,892,959.47
Step by Step Solution
- Step 1: Write the proportion equation
22,554,539.68 : 31,125,295.52 = 12,241,262.88 : x - Step 2: Convert to fraction form
22,554,539.68/31,125,295.52 = 12,241,262.88/x - Step 3: Cross multiply
22,554,539.68x = 31,125,295.52 × 12,241,262.88 - Step 4: Simplify right side
22,554,539.68x = 381,012,924,678,006.31 - Step 5: Solve for x
x = 381,012,924,678,006.31/22,554,539.68 - Step 6: Final answer
x = 16,892,959.47
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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.