Finding the Fourth Proportional to 10,289,540.31, 15,440,289.21 and 4,609,764.63
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Solution
The fourth proportional to 10,289,540.31, 15,440,289.21 and 4,609,764.63 is: 6,917,325.45
Step by Step Solution
- Step 1: Write the proportion equation
10,289,540.31 : 15,440,289.21 = 4,609,764.63 : x - Step 2: Convert to fraction form
10,289,540.31/15,440,289.21 = 4,609,764.63/x - Step 3: Cross multiply
10,289,540.31x = 15,440,289.21 × 4,609,764.63 - Step 4: Simplify right side
10,289,540.31x = 71,176,099,077,228.64 - Step 5: Solve for x
x = 71,176,099,077,228.64/10,289,540.31 - Step 6: Final answer
x = 6,917,325.45
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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.