Finding the Fourth Proportional to 9,085,970.09, 12,538,677.95 and 4,956,089.99
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Solution
The fourth proportional to 9,085,970.09, 12,538,677.95 and 4,956,089.99 is: 6,839,425.58
Step by Step Solution
- Step 1: Write the proportion equation
9,085,970.09 : 12,538,677.95 = 4,956,089.99 : x - Step 2: Convert to fraction form
9,085,970.09/12,538,677.95 = 4,956,089.99/x - Step 3: Cross multiply
9,085,970.09x = 12,538,677.95 × 4,956,089.99 - Step 4: Simplify right side
9,085,970.09x = 62,142,816,188,354.88 - Step 5: Solve for x
x = 62,142,816,188,354.88/9,085,970.09 - Step 6: Final answer
x = 6,839,425.58
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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.