Finding the Fourth Proportional to 7,843,771.80, 11,766,335.76 and 2,163,996.36
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Solution
The fourth proportional to 7,843,771.80, 11,766,335.76 and 2,163,996.36 is: 3,246,181.61
Step by Step Solution
- Step 1: Write the proportion equation
7,843,771.80 : 11,766,335.76 = 2,163,996.36 : x - Step 2: Convert to fraction form
7,843,771.80/11,766,335.76 = 2,163,996.36/x - Step 3: Cross multiply
7,843,771.80x = 11,766,335.76 × 2,163,996.36 - Step 4: Simplify right side
7,843,771.80x = 25,462,307,755,177.83 - Step 5: Solve for x
x = 25,462,307,755,177.83/7,843,771.80 - Step 6: Final answer
x = 3,246,181.61
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.