Finding the Fourth Proportional to 8,924,404.62, 12,315,207.03 and 5,056,972.14
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Solution
The fourth proportional to 8,924,404.62, 12,315,207.03 and 5,056,972.14 is: 6,978,354.47
Step by Step Solution
- Step 1: Write the proportion equation
8,924,404.62 : 12,315,207.03 = 5,056,972.14 : x - Step 2: Convert to fraction form
8,924,404.62/12,315,207.03 = 5,056,972.14/x - Step 3: Cross multiply
8,924,404.62x = 12,315,207.03 × 5,056,972.14 - Step 4: Simplify right side
8,924,404.62x = 62,277,658,849,042.13 - Step 5: Solve for x
x = 62,277,658,849,042.13/8,924,404.62 - Step 6: Final answer
x = 6,978,354.47
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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.