Finding the Fourth Proportional to 18,924,308.44, 28,386,054.72 and 5,277,090.97
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Solution
The fourth proportional to 18,924,308.44, 28,386,054.72 and 5,277,090.97 is: 7,915,522.70
Step by Step Solution
- Step 1: Write the proportion equation
18,924,308.44 : 28,386,054.72 = 5,277,090.97 : x - Step 2: Convert to fraction form
18,924,308.44/28,386,054.72 = 5,277,090.97/x - Step 3: Cross multiply
18,924,308.44x = 28,386,054.72 × 5,277,090.97 - Step 4: Simplify right side
18,924,308.44x = 149,795,793,072,320.44 - Step 5: Solve for x
x = 149,795,793,072,320.44/18,924,308.44 - Step 6: Final answer
x = 7,915,522.70
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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.