Finding the Fourth Proportional to 30,553,269.60, 42,162,670.98 and 16,802,233.71
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Solution
The fourth proportional to 30,553,269.60, 42,162,670.98 and 16,802,233.71 is: 23,186,619.99
Step by Step Solution
- Step 1: Write the proportion equation
30,553,269.60 : 42,162,670.98 = 16,802,233.71 : x - Step 2: Convert to fraction form
30,553,269.60/42,162,670.98 = 16,802,233.71/x - Step 3: Cross multiply
30,553,269.60x = 42,162,670.98 × 16,802,233.71 - Step 4: Simplify right side
30,553,269.60x = 708,427,051,643,794.75 - Step 5: Solve for x
x = 708,427,051,643,794.75/30,553,269.60 - Step 6: Final answer
x = 23,186,619.99
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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.