Finding the Fourth Proportional to 11,017,664.70, 15,437,327.70 and 11,017,664.70
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Solution
The fourth proportional to 11,017,664.70, 15,437,327.70 and 11,017,664.70 is: 15,437,327.70
Step by Step Solution
- Step 1: Write the proportion equation
11,017,664.70 : 15,437,327.70 = 11,017,664.70 : x - Step 2: Convert to fraction form
11,017,664.70/15,437,327.70 = 11,017,664.70/x - Step 3: Cross multiply
11,017,664.70x = 15,437,327.70 × 11,017,664.70 - Step 4: Simplify right side
11,017,664.70x = 170,083,300,462,622.16 - Step 5: Solve for x
x = 170,083,300,462,622.16/11,017,664.70 - Step 6: Final answer
x = 15,437,327.70
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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.