Finding the Fourth Proportional to 8,640,936.33, 11,924,420.99 and 4,773,376.28
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Solution
The fourth proportional to 8,640,936.33, 11,924,420.99 and 4,773,376.28 is: 6,587,219.96
Step by Step Solution
- Step 1: Write the proportion equation
8,640,936.33 : 11,924,420.99 = 4,773,376.28 : x - Step 2: Convert to fraction form
8,640,936.33/11,924,420.99 = 4,773,376.28/x - Step 3: Cross multiply
8,640,936.33x = 11,924,420.99 × 4,773,376.28 - Step 4: Simplify right side
8,640,936.33x = 56,919,748,222,911.13 - Step 5: Solve for x
x = 56,919,748,222,911.13/8,640,936.33 - Step 6: Final answer
x = 6,587,219.96
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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.