Finding the Fourth Proportional to 48,499,346.22, 66,919,106.82 and 27,868,806.60
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Solution
The fourth proportional to 48,499,346.22, 66,919,106.82 and 27,868,806.60 is: 38,453,212.08
Step by Step Solution
- Step 1: Write the proportion equation
48,499,346.22 : 66,919,106.82 = 27,868,806.60 : x - Step 2: Convert to fraction form
48,499,346.22/66,919,106.82 = 27,868,806.60/x - Step 3: Cross multiply
48,499,346.22x = 66,919,106.82 × 27,868,806.60 - Step 4: Simplify right side
48,499,346.22x = 1,864,955,645,811,321 - Step 5: Solve for x
x = 1,864,955,645,811,321/48,499,346.22 - Step 6: Final answer
x = 38,453,212.08
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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.