Finding the Fourth Proportional to 19,854,546.28, 29,783,534.83 and 5,477,614.09
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Solution
The fourth proportional to 19,854,546.28, 29,783,534.83 and 5,477,614.09 is: 8,216,894.39
Step by Step Solution
- Step 1: Write the proportion equation
19,854,546.28 : 29,783,534.83 = 5,477,614.09 : x - Step 2: Convert to fraction form
19,854,546.28/29,783,534.83 = 5,477,614.09/x - Step 3: Cross multiply
19,854,546.28x = 29,783,534.83 × 5,477,614.09 - Step 4: Simplify right side
19,854,546.28x = 163,142,709,946,660.91 - Step 5: Solve for x
x = 163,142,709,946,660.91/19,854,546.28 - Step 6: Final answer
x = 8,216,894.39
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.