Finding the Fourth Proportional to 34,277,718.29, 51,420,479.03 and 12,428,387.12
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Solution
The fourth proportional to 34,277,718.29, 51,420,479.03 and 12,428,387.12 is: 18,643,995.32
Step by Step Solution
- Step 1: Write the proportion equation
34,277,718.29 : 51,420,479.03 = 12,428,387.12 : x - Step 2: Convert to fraction form
34,277,718.29/51,420,479.03 = 12,428,387.12/x - Step 3: Cross multiply
34,277,718.29x = 51,420,479.03 × 12,428,387.12 - Step 4: Simplify right side
34,277,718.29x = 639,073,619,218,540.12 - Step 5: Solve for x
x = 639,073,619,218,540.12/34,277,718.29 - Step 6: Final answer
x = 18,643,995.32
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.