Finding the Fourth Proportional to 56,158,316.28, 84,242,615.22 and 15,768,528.12
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Solution
The fourth proportional to 56,158,316.28, 84,242,615.22 and 15,768,528.12 is: 23,654,235.65
Step by Step Solution
- Step 1: Write the proportion equation
56,158,316.28 : 84,242,615.22 = 15,768,528.12 : x - Step 2: Convert to fraction form
56,158,316.28/84,242,615.22 = 15,768,528.12/x - Step 3: Cross multiply
56,158,316.28x = 84,242,615.22 × 15,768,528.12 - Step 4: Simplify right side
56,158,316.28x = 1,328,382,046,998,910 - Step 5: Solve for x
x = 1,328,382,046,998,910/56,158,316.28 - Step 6: Final answer
x = 23,654,235.65
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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.