Finding the Fourth Proportional to 45,207,869.21, 67,805,419.18 and 14,498,458.07
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Solution
The fourth proportional to 45,207,869.21, 67,805,419.18 and 14,498,458.07 is: 21,745,639.51
Step by Step Solution
- Step 1: Write the proportion equation
45,207,869.21 : 67,805,419.18 = 14,498,458.07 : x - Step 2: Convert to fraction form
45,207,869.21/67,805,419.18 = 14,498,458.07/x - Step 3: Cross multiply
45,207,869.21x = 67,805,419.18 × 14,498,458.07 - Step 4: Simplify right side
45,207,869.21x = 983,074,026,900,003.88 - Step 5: Solve for x
x = 983,074,026,900,003.88/45,207,869.21 - Step 6: Final answer
x = 21,745,639.51
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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.