Finding the Fourth Proportional to 11,864,513.74, 16,372,881.53 and 6,970,181.99
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Solution
The fourth proportional to 11,864,513.74, 16,372,881.53 and 6,970,181.99 is: 9,618,764.53
Step by Step Solution
- Step 1: Write the proportion equation
11,864,513.74 : 16,372,881.53 = 6,970,181.99 : x - Step 2: Convert to fraction form
11,864,513.74/16,372,881.53 = 6,970,181.99/x - Step 3: Cross multiply
11,864,513.74x = 16,372,881.53 × 6,970,181.99 - Step 4: Simplify right side
11,864,513.74x = 114,121,963,964,809.64 - Step 5: Solve for x
x = 114,121,963,964,809.64/11,864,513.74 - Step 6: Final answer
x = 9,618,764.53
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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.