Finding the Fourth Proportional to 36,437,448.12, 50,283,680.76 and 19,917,638.06
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Solution
The fourth proportional to 36,437,448.12, 50,283,680.76 and 19,917,638.06 is: 27,486,341.80
Step by Step Solution
- Step 1: Write the proportion equation
36,437,448.12 : 50,283,680.76 = 19,917,638.06 : x - Step 2: Convert to fraction form
36,437,448.12/50,283,680.76 = 19,917,638.06/x - Step 3: Cross multiply
36,437,448.12x = 50,283,680.76 × 19,917,638.06 - Step 4: Simplify right side
36,437,448.12x = 1,001,532,153,450,847.25 - Step 5: Solve for x
x = 1,001,532,153,450,847.25/36,437,448.12 - Step 6: Final answer
x = 27,486,341.80
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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.