Finding the Fourth Proportional to 14,191,051.88, 19,583,645.46 and 7,664,678.84
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Solution
The fourth proportional to 14,191,051.88, 19,583,645.46 and 7,664,678.84 is: 10,577,253.49
Step by Step Solution
- Step 1: Write the proportion equation
14,191,051.88 : 19,583,645.46 = 7,664,678.84 : x - Step 2: Convert to fraction form
14,191,051.88/19,583,645.46 = 7,664,678.84/x - Step 3: Cross multiply
14,191,051.88x = 19,583,645.46 × 7,664,678.84 - Step 4: Simplify right side
14,191,051.88x = 150,102,352,967,324.06 - Step 5: Solve for x
x = 150,102,352,967,324.06/14,191,051.88 - Step 6: Final answer
x = 10,577,253.49
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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.