Finding the Fourth Proportional to 11,555,242.62, 15,945,551.91 and 6,398,314.62
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Solution
The fourth proportional to 11,555,242.62, 15,945,551.91 and 6,398,314.62 is: 8,829,296.04
Step by Step Solution
- Step 1: Write the proportion equation
11,555,242.62 : 15,945,551.91 = 6,398,314.62 : x - Step 2: Convert to fraction form
11,555,242.62/15,945,551.91 = 6,398,314.62/x - Step 3: Cross multiply
11,555,242.62x = 15,945,551.91 × 6,398,314.62 - Step 4: Simplify right side
11,555,242.62x = 102,024,657,909,721.92 - Step 5: Solve for x
x = 102,024,657,909,721.92/11,555,242.62 - Step 6: Final answer
x = 8,829,296.04
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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.