Finding the Fourth Proportional to 19,439,336.81, 29,163,729.14 and 5,976,164.81
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Solution
The fourth proportional to 19,439,336.81, 29,163,729.14 and 5,976,164.81 is: 8,965,699.48
Step by Step Solution
- Step 1: Write the proportion equation
19,439,336.81 : 29,163,729.14 = 5,976,164.81 : x - Step 2: Convert to fraction form
19,439,336.81/29,163,729.14 = 5,976,164.81/x - Step 3: Cross multiply
19,439,336.81x = 29,163,729.14 × 5,976,164.81 - Step 4: Simplify right side
19,439,336.81x = 174,287,251,880,278.69 - Step 5: Solve for x
x = 174,287,251,880,278.69/19,439,336.81 - Step 6: Final answer
x = 8,965,699.48
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.