Finding the Fourth Proportional to 14,890,765.70, 20,804,556.70 and 14,890,765.70
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Solution
The fourth proportional to 14,890,765.70, 20,804,556.70 and 14,890,765.70 is: 20,804,556.70
Step by Step Solution
- Step 1: Write the proportion equation
14,890,765.70 : 20,804,556.70 = 14,890,765.70 : x - Step 2: Convert to fraction form
14,890,765.70/20,804,556.70 = 14,890,765.70/x - Step 3: Cross multiply
14,890,765.70x = 20,804,556.70 × 14,890,765.70 - Step 4: Simplify right side
14,890,765.70x = 309,795,779,312,065.19 - Step 5: Solve for x
x = 309,795,779,312,065.19/14,890,765.70 - Step 6: Final answer
x = 20,804,556.70
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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.