Finding the Fourth Proportional to 51,084,384.66, 76,581,018.99 and 18,728,747.55
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Solution
The fourth proportional to 51,084,384.66, 76,581,018.99 and 18,728,747.55 is: 28,076,418.68
Step by Step Solution
- Step 1: Write the proportion equation
51,084,384.66 : 76,581,018.99 = 18,728,747.55 : x - Step 2: Convert to fraction form
51,084,384.66/76,581,018.99 = 18,728,747.55/x - Step 3: Cross multiply
51,084,384.66x = 76,581,018.99 × 18,728,747.55 - Step 4: Simplify right side
51,084,384.66x = 1,434,266,571,785,466 - Step 5: Solve for x
x = 1,434,266,571,785,466/51,084,384.66 - Step 6: Final answer
x = 28,076,418.68
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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.