Finding the Fourth Proportional to 19,627,228.20, 29,440,842.30 and 18,745,429.80
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Solution
The fourth proportional to 19,627,228.20, 29,440,842.30 and 18,745,429.80 is: 28,118,144.70
Step by Step Solution
- Step 1: Write the proportion equation
19,627,228.20 : 29,440,842.30 = 18,745,429.80 : x - Step 2: Convert to fraction form
19,627,228.20/29,440,842.30 = 18,745,429.80/x - Step 3: Cross multiply
19,627,228.20x = 29,440,842.30 × 18,745,429.80 - Step 4: Simplify right side
19,627,228.20x = 551,881,242,587,520.56 - Step 5: Solve for x
x = 551,881,242,587,520.56/19,627,228.20 - Step 6: Final answer
x = 28,118,144.70
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.