Finding the Fourth Proportional to 39,034,204.68, 53,867,521.28 and 21,630,840.47
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Solution
The fourth proportional to 39,034,204.68, 53,867,521.28 and 21,630,840.47 is: 29,850,736.52
Step by Step Solution
- Step 1: Write the proportion equation
39,034,204.68 : 53,867,521.28 = 21,630,840.47 : x - Step 2: Convert to fraction form
39,034,204.68/53,867,521.28 = 21,630,840.47/x - Step 3: Cross multiply
39,034,204.68x = 53,867,521.28 × 21,630,840.47 - Step 4: Simplify right side
39,034,204.68x = 1,165,199,759,106,749.75 - Step 5: Solve for x
x = 1,165,199,759,106,749.75/39,034,204.68 - Step 6: Final answer
x = 29,850,736.52
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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.