Finding the Fourth Proportional to 16,182,191.51, 22,336,746.12 and 12,880,542
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Solution
The fourth proportional to 16,182,191.51, 22,336,746.12 and 12,880,542 is: 17,779,383.99
Step by Step Solution
- Step 1: Write the proportion equation
16,182,191.51 : 22,336,746.12 = 12,880,542 : x - Step 2: Convert to fraction form
16,182,191.51/22,336,746.12 = 12,880,542/x - Step 3: Cross multiply
16,182,191.51x = 22,336,746.12 × 12,880,542 - Step 4: Simplify right side
16,182,191.51x = 287,709,396,541,997.06 - Step 5: Solve for x
x = 287,709,396,541,997.06/16,182,191.51 - Step 6: Final answer
x = 17,779,383.99
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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.