Finding the Fourth Proportional to 25,813,815.27, 35,625,638.37 and 19,276,094.51
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Solution
The fourth proportional to 25,813,815.27, 35,625,638.37 and 19,276,094.51 is: 26,602,931.99
Step by Step Solution
- Step 1: Write the proportion equation
25,813,815.27 : 35,625,638.37 = 19,276,094.51 : x - Step 2: Convert to fraction form
25,813,815.27/35,625,638.37 = 19,276,094.51/x - Step 3: Cross multiply
25,813,815.27x = 35,625,638.37 × 19,276,094.51 - Step 4: Simplify right side
25,813,815.27x = 686,723,172,021,074.12 - Step 5: Solve for x
x = 686,723,172,021,074.12/25,813,815.27 - Step 6: Final answer
x = 26,602,931.99
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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.