Finding the Fourth Proportional to 10,531,764.10, 15,771,074.10 and 8,406,000.10
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Solution
The fourth proportional to 10,531,764.10, 15,771,074.10 and 8,406,000.10 is: 12,587,791.49
Step by Step Solution
- Step 1: Write the proportion equation
10,531,764.10 : 15,771,074.10 = 8,406,000.10 : x - Step 2: Convert to fraction form
10,531,764.10/15,771,074.10 = 8,406,000.10/x - Step 3: Cross multiply
10,531,764.10x = 15,771,074.10 × 8,406,000.10 - Step 4: Simplify right side
10,531,764.10x = 132,571,650,461,707.41 - Step 5: Solve for x
x = 132,571,650,461,707.41/10,531,764.10 - Step 6: Final answer
x = 12,587,791.49
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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.