Finding the Fourth Proportional to 22,421,695.96, 30,941,940.14 and 12,108,418.14
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Solution
The fourth proportional to 22,421,695.96, 30,941,940.14 and 12,108,418.14 is: 16,709,616.88
Step by Step Solution
- Step 1: Write the proportion equation
22,421,695.96 : 30,941,940.14 = 12,108,418.14 : x - Step 2: Convert to fraction form
22,421,695.96/30,941,940.14 = 12,108,418.14/x - Step 3: Cross multiply
22,421,695.96x = 30,941,940.14 × 12,108,418.14 - Step 4: Simplify right side
22,421,695.96x = 374,657,949,277,970.19 - Step 5: Solve for x
x = 374,657,949,277,970.19/22,421,695.96 - Step 6: Final answer
x = 16,709,616.88
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1.5x scale
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.