Finding the Fourth Proportional to 48,172,811.95, 66,478,529.70 and 26,146,315.91
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Solution
The fourth proportional to 48,172,811.95, 66,478,529.70 and 26,146,315.91 is: 36,081,942.67
Step by Step Solution
- Step 1: Write the proportion equation
48,172,811.95 : 66,478,529.70 = 26,146,315.91 : x - Step 2: Convert to fraction form
48,172,811.95/66,478,529.70 = 26,146,315.91/x - Step 3: Cross multiply
48,172,811.95x = 66,478,529.70 × 26,146,315.91 - Step 4: Simplify right side
48,172,811.95x = 1,738,168,638,915,927 - Step 5: Solve for x
x = 1,738,168,638,915,927/48,172,811.95 - Step 6: Final answer
x = 36,081,942.67
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.