Finding the Fourth Proportional to 9,802,421.19, 13,526,923.88 and 5,391,866.94
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Solution
The fourth proportional to 9,802,421.19, 13,526,923.88 and 5,391,866.94 is: 7,440,546.80
Step by Step Solution
- Step 1: Write the proportion equation
9,802,421.19 : 13,526,923.88 = 5,391,866.94 : x - Step 2: Convert to fraction form
9,802,421.19/13,526,923.88 = 5,391,866.94/x - Step 3: Cross multiply
9,802,421.19x = 13,526,923.88 × 5,391,866.94 - Step 4: Simplify right side
9,802,421.19x = 72,935,373,641,509.20 - Step 5: Solve for x
x = 72,935,373,641,509.20/9,802,421.19 - Step 6: Final answer
x = 7,440,546.80
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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.