Finding the Fourth Proportional to 13,178,327.88, 19,766,913.60 and 3,593,674.63
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Solution
The fourth proportional to 13,178,327.88, 19,766,913.60 and 3,593,674.63 is: 5,390,354.27
Step by Step Solution
- Step 1: Write the proportion equation
13,178,327.88 : 19,766,913.60 = 3,593,674.63 : x - Step 2: Convert to fraction form
13,178,327.88/19,766,913.60 = 3,593,674.63/x - Step 3: Cross multiply
13,178,327.88x = 19,766,913.60 × 3,593,674.63 - Step 4: Simplify right side
13,178,327.88x = 71,035,855,917,721.97 - Step 5: Solve for x
x = 71,035,855,917,721.97/13,178,327.88 - Step 6: Final answer
x = 5,390,354.27
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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.