Finding the Fourth Proportional to 19,788,287.10, 29,682,430.65 and 16,387,064.70
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Solution
The fourth proportional to 19,788,287.10, 29,682,430.65 and 16,387,064.70 is: 24,580,597.05
Step by Step Solution
- Step 1: Write the proportion equation
19,788,287.10 : 29,682,430.65 = 16,387,064.70 : x - Step 2: Convert to fraction form
19,788,287.10/29,682,430.65 = 16,387,064.70/x - Step 3: Cross multiply
19,788,287.10x = 29,682,430.65 × 16,387,064.70 - Step 4: Simplify right side
19,788,287.10x = 486,407,911,514,813 - Step 5: Solve for x
x = 486,407,911,514,813/19,788,287.10 - Step 6: Final answer
x = 24,580,597.05
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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.