Finding the Fourth Proportional to 15,972,526.71, 22,052,728.49 and 9,448,251.91
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Solution
The fourth proportional to 15,972,526.71, 22,052,728.49 and 9,448,251.91 is: 13,044,882.49
Step by Step Solution
- Step 1: Write the proportion equation
15,972,526.71 : 22,052,728.49 = 9,448,251.91 : x - Step 2: Convert to fraction form
15,972,526.71/22,052,728.49 = 9,448,251.91/x - Step 3: Cross multiply
15,972,526.71x = 22,052,728.49 × 9,448,251.91 - Step 4: Simplify right side
15,972,526.71x = 208,359,733,973,980.84 - Step 5: Solve for x
x = 208,359,733,973,980.84/15,972,526.71 - Step 6: Final answer
x = 13,044,882.49
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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.