Finding the Fourth Proportional to 12,272,106.78, 16,936,083.99 and 6,839,637.66
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Solution
The fourth proportional to 12,272,106.78, 16,936,083.99 and 6,839,637.66 is: 9,439,021.35
Step by Step Solution
- Step 1: Write the proportion equation
12,272,106.78 : 16,936,083.99 = 6,839,637.66 : x - Step 2: Convert to fraction form
12,272,106.78/16,936,083.99 = 6,839,637.66/x - Step 3: Cross multiply
12,272,106.78x = 16,936,083.99 × 6,839,637.66 - Step 4: Simplify right side
12,272,106.78x = 115,836,677,870,927.06 - Step 5: Solve for x
x = 115,836,677,870,927.06/12,272,106.78 - Step 6: Final answer
x = 9,439,021.35
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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.