Finding the Fourth Proportional to 14,178,592.35, 21,272,349.96 and 5,074,483.14
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Solution
The fourth proportional to 14,178,592.35, 21,272,349.96 and 5,074,483.14 is: 7,613,321.45
Step by Step Solution
- Step 1: Write the proportion equation
14,178,592.35 : 21,272,349.96 = 5,074,483.14 : x - Step 2: Convert to fraction form
14,178,592.35/21,272,349.96 = 5,074,483.14/x - Step 3: Cross multiply
14,178,592.35x = 21,272,349.96 × 5,074,483.14 - Step 4: Simplify right side
14,178,592.35x = 107,946,181,220,199.67 - Step 5: Solve for x
x = 107,946,181,220,199.67/14,178,592.35 - Step 6: Final answer
x = 7,613,321.45
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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.