Finding the Fourth Proportional to 8,837,897.84, 12,197,973.15 and 5,531,725.19
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Solution
The fourth proportional to 8,837,897.84, 12,197,973.15 and 5,531,725.19 is: 7,634,828.61
Step by Step Solution
- Step 1: Write the proportion equation
8,837,897.84 : 12,197,973.15 = 5,531,725.19 : x - Step 2: Convert to fraction form
8,837,897.84/12,197,973.15 = 5,531,725.19/x - Step 3: Cross multiply
8,837,897.84x = 12,197,973.15 × 5,531,725.19 - Step 4: Simplify right side
8,837,897.84x = 67,475,835,279,808.78 - Step 5: Solve for x
x = 67,475,835,279,808.78/8,837,897.84 - Step 6: Final answer
x = 7,634,828.61
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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.