Finding the Fourth Proportional to 12,746,107.49, 19,127,132.84 and 5,173,073.24
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Solution
The fourth proportional to 12,746,107.49, 19,127,132.84 and 5,173,073.24 is: 7,762,845.17
Step by Step Solution
- Step 1: Write the proportion equation
12,746,107.49 : 19,127,132.84 = 5,173,073.24 : x - Step 2: Convert to fraction form
12,746,107.49/19,127,132.84 = 5,173,073.24/x - Step 3: Cross multiply
12,746,107.49x = 19,127,132.84 × 5,173,073.24 - Step 4: Simplify right side
12,746,107.49x = 98,946,058,969,826.23 - Step 5: Solve for x
x = 98,946,058,969,826.23/12,746,107.49 - Step 6: Final answer
x = 7,762,845.17
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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.