Finding the Fourth Proportional to 13,349,279.64, 20,012,043.99 and 4,827,721.62
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Solution
The fourth proportional to 13,349,279.64, 20,012,043.99 and 4,827,721.62 is: 7,237,287.71
Step by Step Solution
- Step 1: Write the proportion equation
13,349,279.64 : 20,012,043.99 = 4,827,721.62 : x - Step 2: Convert to fraction form
13,349,279.64/20,012,043.99 = 4,827,721.62/x - Step 3: Cross multiply
13,349,279.64x = 20,012,043.99 × 4,827,721.62 - Step 4: Simplify right side
13,349,279.64x = 96,612,577,430,914.06 - Step 5: Solve for x
x = 96,612,577,430,914.06/13,349,279.64 - Step 6: Final answer
x = 7,237,287.71
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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.