Finding the Fourth Proportional to 18,054,564.66, 24,948,239.04 and 13,151,223.18
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Solution
The fourth proportional to 18,054,564.66, 24,948,239.04 and 13,151,223.18 is: 18,172,681.85
Step by Step Solution
- Step 1: Write the proportion equation
18,054,564.66 : 24,948,239.04 = 13,151,223.18 : x - Step 2: Convert to fraction form
18,054,564.66/24,948,239.04 = 13,151,223.18/x - Step 3: Cross multiply
18,054,564.66x = 24,948,239.04 × 13,151,223.18 - Step 4: Simplify right side
18,054,564.66x = 328,099,859,563,028.94 - Step 5: Solve for x
x = 328,099,859,563,028.94/18,054,564.66 - Step 6: Final answer
x = 18,172,681.85
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.