Finding the Fourth Proportional to 12,749,269.19, 17,596,831.19 and 8,102,148.08
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Solution
The fourth proportional to 12,749,269.19, 17,596,831.19 and 8,102,148.08 is: 11,182,768.98
Step by Step Solution
- Step 1: Write the proportion equation
12,749,269.19 : 17,596,831.19 = 8,102,148.08 : x - Step 2: Convert to fraction form
12,749,269.19/17,596,831.19 = 8,102,148.08/x - Step 3: Cross multiply
12,749,269.19x = 17,596,831.19 × 8,102,148.08 - Step 4: Simplify right side
12,749,269.19x = 142,572,132,040,142.62 - Step 5: Solve for x
x = 142,572,132,040,142.62/12,749,269.19 - Step 6: Final answer
x = 11,182,768.98
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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.