Finding the Fourth Proportional to 29,316,399.84, 40,456,678.50 and 16,263,658.62
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Solution
The fourth proportional to 29,316,399.84, 40,456,678.50 and 16,263,658.62 is: 22,443,874.81
Step by Step Solution
- Step 1: Write the proportion equation
29,316,399.84 : 40,456,678.50 = 16,263,658.62 : x - Step 2: Convert to fraction form
29,316,399.84/40,456,678.50 = 16,263,658.62/x - Step 3: Cross multiply
29,316,399.84x = 40,456,678.50 × 16,263,658.62 - Step 4: Simplify right side
29,316,399.84x = 657,973,608,023,093.62 - Step 5: Solve for x
x = 657,973,608,023,093.62/29,316,399.84 - Step 6: Final answer
x = 22,443,874.81
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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.