Finding the Fourth Proportional to 21,359,807.57, 29,476,675.97 and 11,570,251.76
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Solution
The fourth proportional to 21,359,807.57, 29,476,675.97 and 11,570,251.76 is: 15,967,024.09
Step by Step Solution
- Step 1: Write the proportion equation
21,359,807.57 : 29,476,675.97 = 11,570,251.76 : x - Step 2: Convert to fraction form
21,359,807.57/29,476,675.97 = 11,570,251.76/x - Step 3: Cross multiply
21,359,807.57x = 29,476,675.97 × 11,570,251.76 - Step 4: Simplify right side
21,359,807.57x = 341,052,562,020,842.19 - Step 5: Solve for x
x = 341,052,562,020,842.19/21,359,807.57 - Step 6: Final answer
x = 15,967,024.09
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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.