Finding the Fourth Proportional to 15,153,015.06, 20,911,620.56 and 8,277,939.99
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Solution
The fourth proportional to 15,153,015.06, 20,911,620.56 and 8,277,939.99 is: 11,423,808.36
Step by Step Solution
- Step 1: Write the proportion equation
15,153,015.06 : 20,911,620.56 = 8,277,939.99 : x - Step 2: Convert to fraction form
15,153,015.06/20,911,620.56 = 8,277,939.99/x - Step 3: Cross multiply
15,153,015.06x = 20,911,620.56 × 8,277,939.99 - Step 4: Simplify right side
15,153,015.06x = 173,105,140,047,940.50 - Step 5: Solve for x
x = 173,105,140,047,940.50/15,153,015.06 - Step 6: Final answer
x = 11,423,808.36
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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.