Finding the Fourth Proportional to 19,800,796.80, 29,701,218.48 and 5,423,988.48
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Solution
The fourth proportional to 19,800,796.80, 29,701,218.48 and 5,423,988.48 is: 8,135,989.10
Step by Step Solution
- Step 1: Write the proportion equation
19,800,796.80 : 29,701,218.48 = 5,423,988.48 : x - Step 2: Convert to fraction form
19,800,796.80/29,701,218.48 = 5,423,988.48/x - Step 3: Cross multiply
19,800,796.80x = 29,701,218.48 × 5,423,988.48 - Step 4: Simplify right side
19,800,796.80x = 161,099,066,877,483.12 - Step 5: Solve for x
x = 161,099,066,877,483.12/19,800,796.80 - Step 6: Final answer
x = 8,135,989.10
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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.