Finding the Fourth Proportional to 39,034,208.68, 53,867,526.80 and 21,630,844.48
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Solution
The fourth proportional to 39,034,208.68, 53,867,526.80 and 21,630,844.48 is: 29,850,742.06
Step by Step Solution
- Step 1: Write the proportion equation
39,034,208.68 : 53,867,526.80 = 21,630,844.48 : x - Step 2: Convert to fraction form
39,034,208.68/53,867,526.80 = 21,630,844.48/x - Step 3: Cross multiply
39,034,208.68x = 53,867,526.80 × 21,630,844.48 - Step 4: Simplify right side
39,034,208.68x = 1,165,200,094,733,032 - Step 5: Solve for x
x = 1,165,200,094,733,032/39,034,208.68 - Step 6: Final answer
x = 29,850,742.06
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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.