Finding the Fourth Proportional to 14,292,745.65, 19,724,113.95 and 7,766,375.10
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Solution
The fourth proportional to 14,292,745.65, 19,724,113.95 and 7,766,375.10 is: 10,717,665.53
Step by Step Solution
- Step 1: Write the proportion equation
14,292,745.65 : 19,724,113.95 = 7,766,375.10 : x - Step 2: Convert to fraction form
14,292,745.65/19,724,113.95 = 7,766,375.10/x - Step 3: Cross multiply
14,292,745.65x = 19,724,113.95 × 7,766,375.10 - Step 4: Simplify right side
14,292,745.65x = 153,184,867,450,842.62 - Step 5: Solve for x
x = 153,184,867,450,842.62/14,292,745.65 - Step 6: Final answer
x = 10,717,665.53
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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.