Finding the Fourth Proportional to 8,214,149.40, 12,302,358.93 and 4,102,851.21
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Solution
The fourth proportional to 8,214,149.40, 12,302,358.93 and 4,102,851.21 is: 6,144,853.93
Step by Step Solution
- Step 1: Write the proportion equation
8,214,149.40 : 12,302,358.93 = 4,102,851.21 : x - Step 2: Convert to fraction form
8,214,149.40/12,302,358.93 = 4,102,851.21/x - Step 3: Cross multiply
8,214,149.40x = 12,302,358.93 × 4,102,851.21 - Step 4: Simplify right side
8,214,149.40x = 50,474,748,221,804.80 - Step 5: Solve for x
x = 50,474,748,221,804.80/8,214,149.40 - Step 6: Final answer
x = 6,144,853.93
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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.