Finding the Fourth Proportional to 40,414,842.24, 55,772,504.68 and 21,829,982.28
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Solution
The fourth proportional to 40,414,842.24, 55,772,504.68 and 21,829,982.28 is: 30,125,387.64
Step by Step Solution
- Step 1: Write the proportion equation
40,414,842.24 : 55,772,504.68 = 21,829,982.28 : x - Step 2: Convert to fraction form
40,414,842.24/55,772,504.68 = 21,829,982.28/x - Step 3: Cross multiply
40,414,842.24x = 55,772,504.68 × 21,829,982.28 - Step 4: Simplify right side
40,414,842.24x = 1,217,512,788,875,617.25 - Step 5: Solve for x
x = 1,217,512,788,875,617.25/40,414,842.24 - Step 6: Final answer
x = 30,125,387.64
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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.