Finding the Fourth Proportional to 29,358,656.40, 40,514,948.20 and 16,307,130.08
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Solution
The fourth proportional to 29,358,656.40, 40,514,948.20 and 16,307,130.08 is: 22,503,840.83
Step by Step Solution
- Step 1: Write the proportion equation
29,358,656.40 : 40,514,948.20 = 16,307,130.08 : x - Step 2: Convert to fraction form
29,358,656.40/40,514,948.20 = 16,307,130.08/x - Step 3: Cross multiply
29,358,656.40x = 40,514,948.20 × 16,307,130.08 - Step 4: Simplify right side
29,358,656.40x = 660,682,530,481,861.88 - Step 5: Solve for x
x = 660,682,530,481,861.88/29,358,656.40 - Step 6: Final answer
x = 22,503,840.83
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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.