Finding the Fourth Proportional to 34,989,904.82, 48,286,089.41 and 19,519,989.41
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Solution
The fourth proportional to 34,989,904.82, 48,286,089.41 and 19,519,989.41 is: 26,937,596.96
Step by Step Solution
- Step 1: Write the proportion equation
34,989,904.82 : 48,286,089.41 = 19,519,989.41 : x - Step 2: Convert to fraction form
34,989,904.82/48,286,089.41 = 19,519,989.41/x - Step 3: Cross multiply
34,989,904.82x = 48,286,089.41 × 19,519,989.41 - Step 4: Simplify right side
34,989,904.82x = 942,543,953,594,482.88 - Step 5: Solve for x
x = 942,543,953,594,482.88/34,989,904.82 - Step 6: Final answer
x = 26,937,596.96
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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.