Finding the Fourth Proportional to 49,464,721.85, 74,197,714.16 and 13,072,797.79
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Solution
The fourth proportional to 49,464,721.85, 74,197,714.16 and 13,072,797.79 is: 19,609,363.55
Step by Step Solution
- Step 1: Write the proportion equation
49,464,721.85 : 74,197,714.16 = 13,072,797.79 : x - Step 2: Convert to fraction form
49,464,721.85/74,197,714.16 = 13,072,797.79/x - Step 3: Cross multiply
49,464,721.85x = 74,197,714.16 × 13,072,797.79 - Step 4: Simplify right side
49,464,721.85x = 969,971,713,541,087.25 - Step 5: Solve for x
x = 969,971,713,541,087.25/49,464,721.85 - Step 6: Final answer
x = 19,609,363.55
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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.