Finding the Fourth Proportional to 34,370,965.35, 47,432,831.15 and 18,690,906.91
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Solution
The fourth proportional to 34,370,965.35, 47,432,831.15 and 18,690,906.91 is: 25,793,940.39
Step by Step Solution
- Step 1: Write the proportion equation
34,370,965.35 : 47,432,831.15 = 18,690,906.91 : x - Step 2: Convert to fraction form
34,370,965.35/47,432,831.15 = 18,690,906.91/x - Step 3: Cross multiply
34,370,965.35x = 47,432,831.15 × 18,690,906.91 - Step 4: Simplify right side
34,370,965.35x = 886,562,631,502,398.25 - Step 5: Solve for x
x = 886,562,631,502,398.25/34,370,965.35 - Step 6: Final answer
x = 25,793,940.39
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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.