Finding the Fourth Proportional to 9,748,328.13, 13,453,113.09 and 5,397,414.41
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Solution
The fourth proportional to 9,748,328.13, 13,453,113.09 and 5,397,414.41 is: 7,448,664.58
Step by Step Solution
- Step 1: Write the proportion equation
9,748,328.13 : 13,453,113.09 = 5,397,414.41 : x - Step 2: Convert to fraction form
9,748,328.13/13,453,113.09 = 5,397,414.41/x - Step 3: Cross multiply
9,748,328.13x = 13,453,113.09 × 5,397,414.41 - Step 4: Simplify right side
9,748,328.13x = 72,612,026,451,325.62 - Step 5: Solve for x
x = 72,612,026,451,325.62/9,748,328.13 - Step 6: Final answer
x = 7,448,664.58
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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.