Finding the Fourth Proportional to 10,214,257.05, 14,095,770.53 and 5,630,742.45
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Solution
The fourth proportional to 10,214,257.05, 14,095,770.53 and 5,630,742.45 is: 7,770,477.39
Step by Step Solution
- Step 1: Write the proportion equation
10,214,257.05 : 14,095,770.53 = 5,630,742.45 : x - Step 2: Convert to fraction form
10,214,257.05/14,095,770.53 = 5,630,742.45/x - Step 3: Cross multiply
10,214,257.05x = 14,095,770.53 × 5,630,742.45 - Step 4: Simplify right side
10,214,257.05x = 79,369,653,460,576.30 - Step 5: Solve for x
x = 79,369,653,460,576.30/10,214,257.05 - Step 6: Final answer
x = 7,770,477.39
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.