Finding the Fourth Proportional to 29,643,049.74, 40,907,402.64 and 16,590,307.98
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Solution
The fourth proportional to 29,643,049.74, 40,907,402.64 and 16,590,307.98 is: 22,894,621.65
Step by Step Solution
- Step 1: Write the proportion equation
29,643,049.74 : 40,907,402.64 = 16,590,307.98 : x - Step 2: Convert to fraction form
29,643,049.74/40,907,402.64 = 16,590,307.98/x - Step 3: Cross multiply
29,643,049.74x = 40,907,402.64 × 16,590,307.98 - Step 4: Simplify right side
29,643,049.74x = 678,666,408,459,465.12 - Step 5: Solve for x
x = 678,666,408,459,465.12/29,643,049.74 - Step 6: Final answer
x = 22,894,621.65
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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.