Finding the Fourth Proportional to 17,571,963.60, 26,373,691.80 and 15,178,510.80
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Solution
The fourth proportional to 17,571,963.60, 26,373,691.80 and 15,178,510.80 is: 22,781,367.80
Step by Step Solution
- Step 1: Write the proportion equation
17,571,963.60 : 26,373,691.80 = 15,178,510.80 : x - Step 2: Convert to fraction form
17,571,963.60/26,373,691.80 = 15,178,510.80/x - Step 3: Cross multiply
17,571,963.60x = 26,373,691.80 × 15,178,510.80 - Step 4: Simplify right side
17,571,963.60x = 400,313,365,822,171.50 - Step 5: Solve for x
x = 400,313,365,822,171.50/17,571,963.60 - Step 6: Final answer
x = 22,781,367.80
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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.