Finding the Fourth Proportional to 27,515,865.80, 41,273,798.70 and 15,571,929.80
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Solution
The fourth proportional to 27,515,865.80, 41,273,798.70 and 15,571,929.80 is: 23,357,894.70
Step by Step Solution
- Step 1: Write the proportion equation
27,515,865.80 : 41,273,798.70 = 15,571,929.80 : x - Step 2: Convert to fraction form
27,515,865.80/41,273,798.70 = 15,571,929.80/x - Step 3: Cross multiply
27,515,865.80x = 41,273,798.70 × 15,571,929.80 - Step 4: Simplify right side
27,515,865.80x = 642,712,695,935,731.38 - Step 5: Solve for x
x = 642,712,695,935,731.38/27,515,865.80 - Step 6: Final answer
x = 23,357,894.70
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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.