Finding the Fourth Proportional to 19,624,103.24, 29,433,836.61 and 5,248,285.20
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Solution
The fourth proportional to 19,624,103.24, 29,433,836.61 and 5,248,285.20 is: 7,871,807.81
Step by Step Solution
- Step 1: Write the proportion equation
19,624,103.24 : 29,433,836.61 = 5,248,285.20 : x - Step 2: Convert to fraction form
19,624,103.24/29,433,836.61 = 5,248,285.20/x - Step 3: Cross multiply
19,624,103.24x = 29,433,836.61 × 5,248,285.20 - Step 4: Simplify right side
19,624,103.24x = 154,477,169,059,481.19 - Step 5: Solve for x
x = 154,477,169,059,481.19/19,624,103.24 - Step 6: Final answer
x = 7,871,807.81
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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.