Finding the Fourth Proportional to 34,481,593.65, 47,545,940.90 and 28,182,573.74
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Solution
The fourth proportional to 34,481,593.65, 47,545,940.90 and 28,182,573.74 is: 38,860,355.44
Step by Step Solution
- Step 1: Write the proportion equation
34,481,593.65 : 47,545,940.90 = 28,182,573.74 : x - Step 2: Convert to fraction form
34,481,593.65/47,545,940.90 = 28,182,573.74/x - Step 3: Cross multiply
34,481,593.65x = 47,545,940.90 × 28,182,573.74 - Step 4: Simplify right side
34,481,593.65x = 1,339,966,985,641,253.25 - Step 5: Solve for x
x = 1,339,966,985,641,253.25/34,481,593.65 - Step 6: Final answer
x = 38,860,355.44
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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.