Finding the Fourth Proportional to 32,130,257.51, 44,339,301.77 and 18,191,253.17
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Solution
The fourth proportional to 32,130,257.51, 44,339,301.77 and 18,191,253.17 is: 25,103,672.56
Step by Step Solution
- Step 1: Write the proportion equation
32,130,257.51 : 44,339,301.77 = 18,191,253.17 : x - Step 2: Convert to fraction form
32,130,257.51/44,339,301.77 = 18,191,253.17/x - Step 3: Cross multiply
32,130,257.51x = 44,339,301.77 × 18,191,253.17 - Step 4: Simplify right side
32,130,257.51x = 806,587,463,566,446.25 - Step 5: Solve for x
x = 806,587,463,566,446.25/32,130,257.51 - Step 6: Final answer
x = 25,103,672.56
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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.