Finding the Fourth Proportional to 62,573,772.80, 86,351,992.46 and 34,698,446.78
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Solution
The fourth proportional to 62,573,772.80, 86,351,992.46 and 34,698,446.78 is: 47,883,959.70
Step by Step Solution
- Step 1: Write the proportion equation
62,573,772.80 : 86,351,992.46 = 34,698,446.78 : x - Step 2: Convert to fraction form
62,573,772.80/86,351,992.46 = 34,698,446.78/x - Step 3: Cross multiply
62,573,772.80x = 86,351,992.46 × 34,698,446.78 - Step 4: Simplify right side
62,573,772.80x = 2,996,280,014,720,271 - Step 5: Solve for x
x = 2,996,280,014,720,271/62,573,772.80 - Step 6: Final answer
x = 47,883,959.70
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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.