Finding the Fourth Proportional to 36,949,331.12, 55,426,951.56 and 12,678,491.12
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Solution
The fourth proportional to 36,949,331.12, 55,426,951.56 and 12,678,491.12 is: 19,018,750.59
Step by Step Solution
- Step 1: Write the proportion equation
36,949,331.12 : 55,426,951.56 = 12,678,491.12 : x - Step 2: Convert to fraction form
36,949,331.12/55,426,951.56 = 12,678,491.12/x - Step 3: Cross multiply
36,949,331.12x = 55,426,951.56 × 12,678,491.12 - Step 4: Simplify right side
36,949,331.12x = 702,730,113,162,130.12 - Step 5: Solve for x
x = 702,730,113,162,130.12/36,949,331.12 - Step 6: Final answer
x = 19,018,750.59
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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.