Finding the Fourth Proportional to 18,664,530.80, 26,201,122 and 18,664,530.80
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Solution
The fourth proportional to 18,664,530.80, 26,201,122 and 18,664,530.80 is: 26,201,122
Step by Step Solution
- Step 1: Write the proportion equation
18,664,530.80 : 26,201,122 = 18,664,530.80 : x - Step 2: Convert to fraction form
18,664,530.80/26,201,122 = 18,664,530.80/x - Step 3: Cross multiply
18,664,530.80x = 26,201,122 × 18,664,530.80 - Step 4: Simplify right side
18,664,530.80x = 489,031,648,563,557.62 - Step 5: Solve for x
x = 489,031,648,563,557.62/18,664,530.80 - Step 6: Final answer
x = 26,201,122
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Why These Related Problems?
These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.