Finding the Fourth Proportional to 16,750,751.67, 23,118,779.69 and 13,955,442.07
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Solution
The fourth proportional to 16,750,751.67, 23,118,779.69 and 13,955,442.07 is: 19,260,794.80
Step by Step Solution
- Step 1: Write the proportion equation
16,750,751.67 : 23,118,779.69 = 13,955,442.07 : x - Step 2: Convert to fraction form
16,750,751.67/23,118,779.69 = 13,955,442.07/x - Step 3: Cross multiply
16,750,751.67x = 23,118,779.69 × 13,955,442.07 - Step 4: Simplify right side
16,750,751.67x = 322,632,790,692,887.56 - Step 5: Solve for x
x = 322,632,790,692,887.56/16,750,751.67 - Step 6: Final answer
x = 19,260,794.80
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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.