Finding the Fourth Proportional to 53,254,927.20, 79,882,390.80 and 27,692,615.10
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Solution
The fourth proportional to 53,254,927.20, 79,882,390.80 and 27,692,615.10 is: 41,538,922.65
Step by Step Solution
- Step 1: Write the proportion equation
53,254,927.20 : 79,882,390.80 = 27,692,615.10 : x - Step 2: Convert to fraction form
53,254,927.20/79,882,390.80 = 27,692,615.10/x - Step 3: Cross multiply
53,254,927.20x = 79,882,390.80 × 27,692,615.10 - Step 4: Simplify right side
53,254,927.20x = 2,212,152,301,692,181 - Step 5: Solve for x
x = 2,212,152,301,692,181/53,254,927.20 - Step 6: Final answer
x = 41,538,922.65
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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.