Finding the Fourth Proportional to 39,528,656.19, 54,549,010.23 and 22,124,996.79
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Solution
The fourth proportional to 39,528,656.19, 54,549,010.23 and 22,124,996.79 is: 30,532,195.95
Step by Step Solution
- Step 1: Write the proportion equation
39,528,656.19 : 54,549,010.23 = 22,124,996.79 : x - Step 2: Convert to fraction form
39,528,656.19/54,549,010.23 = 22,124,996.79/x - Step 3: Cross multiply
39,528,656.19x = 54,549,010.23 × 22,124,996.79 - Step 4: Simplify right side
39,528,656.19x = 1,206,896,676,236,427 - Step 5: Solve for x
x = 1,206,896,676,236,427/39,528,656.19 - Step 6: Final answer
x = 30,532,195.95
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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.