Finding the Fourth Proportional to 16,316,839.28, 22,517,283.12 and 8,975,424.70
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Solution
The fourth proportional to 16,316,839.28, 22,517,283.12 and 8,975,424.70 is: 12,386,110.79
Step by Step Solution
- Step 1: Write the proportion equation
16,316,839.28 : 22,517,283.12 = 8,975,424.70 : x - Step 2: Convert to fraction form
16,316,839.28/22,517,283.12 = 8,975,424.70/x - Step 3: Cross multiply
16,316,839.28x = 22,517,283.12 × 8,975,424.70 - Step 4: Simplify right side
16,316,839.28x = 202,102,179,092,141.06 - Step 5: Solve for x
x = 202,102,179,092,141.06/16,316,839.28 - Step 6: Final answer
x = 12,386,110.79
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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.