Finding the Fourth Proportional to 38,850,564.60, 53,612,373.92 and 21,446,536.14
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Solution
The fourth proportional to 38,850,564.60, 53,612,373.92 and 21,446,536.14 is: 29,595,444.15
Step by Step Solution
- Step 1: Write the proportion equation
38,850,564.60 : 53,612,373.92 = 21,446,536.14 : x - Step 2: Convert to fraction form
38,850,564.60/53,612,373.92 = 21,446,536.14/x - Step 3: Cross multiply
38,850,564.60x = 53,612,373.92 × 21,446,536.14 - Step 4: Simplify right side
38,850,564.60x = 1,149,799,714,826,473.50 - Step 5: Solve for x
x = 1,149,799,714,826,473.50/38,850,564.60 - Step 6: Final answer
x = 29,595,444.15
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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.