Finding the Fourth Proportional to 22,496,323.84, 31,044,762.48 and 12,182,807.68
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Solution
The fourth proportional to 22,496,323.84, 31,044,762.48 and 12,182,807.68 is: 16,812,185.56
Step by Step Solution
- Step 1: Write the proportion equation
22,496,323.84 : 31,044,762.48 = 12,182,807.68 : x - Step 2: Convert to fraction form
22,496,323.84/31,044,762.48 = 12,182,807.68/x - Step 3: Cross multiply
22,496,323.84x = 31,044,762.48 × 12,182,807.68 - Step 4: Simplify right side
22,496,323.84x = 378,212,370,765,119.81 - Step 5: Solve for x
x = 378,212,370,765,119.81/22,496,323.84 - Step 6: Final answer
x = 16,812,185.56
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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.