Finding the Fourth Proportional to 33,156,777.30, 49,735,165.95 and 19,686,671.70
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Solution
The fourth proportional to 33,156,777.30, 49,735,165.95 and 19,686,671.70 is: 29,530,007.55
Step by Step Solution
- Step 1: Write the proportion equation
33,156,777.30 : 49,735,165.95 = 19,686,671.70 : x - Step 2: Convert to fraction form
33,156,777.30/49,735,165.95 = 19,686,671.70/x - Step 3: Cross multiply
33,156,777.30x = 49,735,165.95 × 19,686,671.70 - Step 4: Simplify right side
33,156,777.30x = 979,119,884,002,668.62 - Step 5: Solve for x
x = 979,119,884,002,668.62/33,156,777.30 - Step 6: Final answer
x = 29,530,007.55
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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.