Finding the Fourth Proportional to 42,580,101.76, 63,869,236.08 and 11,873,863.84
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Solution
The fourth proportional to 42,580,101.76, 63,869,236.08 and 11,873,863.84 is: 17,810,540.17
Step by Step Solution
- Step 1: Write the proportion equation
42,580,101.76 : 63,869,236.08 = 11,873,863.84 : x - Step 2: Convert to fraction form
42,580,101.76/63,869,236.08 = 11,873,863.84/x - Step 3: Cross multiply
42,580,101.76x = 63,869,236.08 × 11,873,863.84 - Step 4: Simplify right side
42,580,101.76x = 758,374,612,778,735.38 - Step 5: Solve for x
x = 758,374,612,778,735.38/42,580,101.76 - Step 6: Final answer
x = 17,810,540.17
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.