Finding the Fourth Proportional to 32,373,069.60, 48,551,828.40 and 18,696,640.80
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Solution
The fourth proportional to 32,373,069.60, 48,551,828.40 and 18,696,640.80 is: 28,040,470.27
Step by Step Solution
- Step 1: Write the proportion equation
32,373,069.60 : 48,551,828.40 = 18,696,640.80 : x - Step 2: Convert to fraction form
32,373,069.60/48,551,828.40 = 18,696,640.80/x - Step 3: Cross multiply
32,373,069.60x = 48,551,828.40 × 18,696,640.80 - Step 4: Simplify right side
32,373,069.60x = 907,756,095,778,038.75 - Step 5: Solve for x
x = 907,756,095,778,038.75/32,373,069.60 - Step 6: Final answer
x = 28,040,470.27
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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.