Finding the Fourth Proportional to 14,207,980.12, 19,593,928.98 and 9,311,418.28
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Solution
The fourth proportional to 14,207,980.12, 19,593,928.98 and 9,311,418.28 is: 12,841,182.70
Step by Step Solution
- Step 1: Write the proportion equation
14,207,980.12 : 19,593,928.98 = 9,311,418.28 : x - Step 2: Convert to fraction form
14,207,980.12/19,593,928.98 = 9,311,418.28/x - Step 3: Cross multiply
14,207,980.12x = 19,593,928.98 × 9,311,418.28 - Step 4: Simplify right side
14,207,980.12x = 182,447,268,481,393.75 - Step 5: Solve for x
x = 182,447,268,481,393.75/14,207,980.12 - Step 6: Final answer
x = 12,841,182.70
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1.5x scale
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.