Finding the Fourth Proportional to 29,036,979.11, 40,071,540.78 and 15,806,536.41
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Solution
The fourth proportional to 29,036,979.11, 40,071,540.78 and 15,806,536.41 is: 21,813,297.66
Step by Step Solution
- Step 1: Write the proportion equation
29,036,979.11 : 40,071,540.78 = 15,806,536.41 : x - Step 2: Convert to fraction form
29,036,979.11/40,071,540.78 = 15,806,536.41/x - Step 3: Cross multiply
29,036,979.11x = 40,071,540.78 × 15,806,536.41 - Step 4: Simplify right side
29,036,979.11x = 633,392,268,343,869.88 - Step 5: Solve for x
x = 633,392,268,343,869.88/29,036,979.11 - Step 6: Final answer
x = 21,813,297.66
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.