Finding the Fourth Proportional to 11,347,085.12, 15,657,426.72 and 6,518,187.84
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Solution
The fourth proportional to 11,347,085.12, 15,657,426.72 and 6,518,187.84 is: 8,994,208.41
Step by Step Solution
- Step 1: Write the proportion equation
11,347,085.12 : 15,657,426.72 = 6,518,187.84 : x - Step 2: Convert to fraction form
11,347,085.12/15,657,426.72 = 6,518,187.84/x - Step 3: Cross multiply
11,347,085.12x = 15,657,426.72 × 6,518,187.84 - Step 4: Simplify right side
11,347,085.12x = 102,058,048,451,995.09 - Step 5: Solve for x
x = 102,058,048,451,995.09/11,347,085.12 - Step 6: Final answer
x = 8,994,208.41
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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.