Finding the Fourth Proportional to 28,750,241.68, 39,670,653.90 and 16,987,874.56
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Solution
The fourth proportional to 28,750,241.68, 39,670,653.90 and 16,987,874.56 is: 23,440,501.81
Step by Step Solution
- Step 1: Write the proportion equation
28,750,241.68 : 39,670,653.90 = 16,987,874.56 : x - Step 2: Convert to fraction form
28,750,241.68/39,670,653.90 = 16,987,874.56/x - Step 3: Cross multiply
28,750,241.68x = 39,670,653.90 × 16,987,874.56 - Step 4: Simplify right side
28,750,241.68x = 673,920,092,166,374.75 - Step 5: Solve for x
x = 673,920,092,166,374.75/28,750,241.68 - Step 6: Final answer
x = 23,440,501.81
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.