Finding the Fourth Proportional to 47,440,369.92, 71,178,266.88 and 18,706,536.96
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Solution
The fourth proportional to 47,440,369.92, 71,178,266.88 and 18,706,536.96 is: 28,066,789.58
Step by Step Solution
- Step 1: Write the proportion equation
47,440,369.92 : 71,178,266.88 = 18,706,536.96 : x - Step 2: Convert to fraction form
47,440,369.92/71,178,266.88 = 18,706,536.96/x - Step 3: Cross multiply
47,440,369.92x = 71,178,266.88 × 18,706,536.96 - Step 4: Simplify right side
47,440,369.92x = 1,331,498,880,139,463.75 - Step 5: Solve for x
x = 1,331,498,880,139,463.75/47,440,369.92 - Step 6: Final answer
x = 28,066,789.58
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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.