Finding the Fourth Proportional to 29,289,129.48, 40,418,998.04 and 16,236,355.32
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Solution
The fourth proportional to 29,289,129.48, 40,418,998.04 and 16,236,355.32 is: 22,406,169.99
Step by Step Solution
- Step 1: Write the proportion equation
29,289,129.48 : 40,418,998.04 = 16,236,355.32 : x - Step 2: Convert to fraction form
29,289,129.48/40,418,998.04 = 16,236,355.32/x - Step 3: Cross multiply
29,289,129.48x = 40,418,998.04 × 16,236,355.32 - Step 4: Simplify right side
29,289,129.48x = 656,257,213,855,823.62 - Step 5: Solve for x
x = 656,257,213,855,823.62/29,289,129.48 - Step 6: Final answer
x = 22,406,169.99
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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.