Finding the Fourth Proportional to 19,985,462.67, 29,976,176.49 and 13,549,859.79
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Solution
The fourth proportional to 19,985,462.67, 29,976,176.49 and 13,549,859.79 is: 20,323,421.84
Step by Step Solution
- Step 1: Write the proportion equation
19,985,462.67 : 29,976,176.49 = 13,549,859.79 : x - Step 2: Convert to fraction form
19,985,462.67/29,976,176.49 = 13,549,859.79/x - Step 3: Cross multiply
19,985,462.67x = 29,976,176.49 × 13,549,859.79 - Step 4: Simplify right side
19,985,462.67x = 406,172,988,479,794.31 - Step 5: Solve for x
x = 406,172,988,479,794.31/19,985,462.67 - Step 6: Final answer
x = 20,323,421.84
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.