Finding the Fourth Proportional to 29,647,933.07, 40,911,913.76 and 18,044,214.08
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Solution
The fourth proportional to 29,647,933.07, 40,911,913.76 and 18,044,214.08 is: 24,899,655.85
Step by Step Solution
- Step 1: Write the proportion equation
29,647,933.07 : 40,911,913.76 = 18,044,214.08 : x - Step 2: Convert to fraction form
29,647,933.07/40,911,913.76 = 18,044,214.08/x - Step 3: Cross multiply
29,647,933.07x = 40,911,913.76 × 18,044,214.08 - Step 4: Simplify right side
29,647,933.07x = 738,223,330,013,157.12 - Step 5: Solve for x
x = 738,223,330,013,157.12/29,647,933.07 - Step 6: Final answer
x = 24,899,655.85
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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.