Finding the Fourth Proportional to 37,370,938.08, 51,571,969.20 and 20,201,530.08
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Solution
The fourth proportional to 37,370,938.08, 51,571,969.20 and 20,201,530.08 is: 27,878,151.86
Step by Step Solution
- Step 1: Write the proportion equation
37,370,938.08 : 51,571,969.20 = 20,201,530.08 : x - Step 2: Convert to fraction form
37,370,938.08/51,571,969.20 = 20,201,530.08/x - Step 3: Cross multiply
37,370,938.08x = 51,571,969.20 × 20,201,530.08 - Step 4: Simplify right side
37,370,938.08x = 1,041,832,687,078,633.50 - Step 5: Solve for x
x = 1,041,832,687,078,633.50/37,370,938.08 - Step 6: Final answer
x = 27,878,151.86
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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.