Finding the Fourth Proportional to 14,980,091.60, 20,686,803.72 and 14,163,985.84
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Solution
The fourth proportional to 14,980,091.60, 20,686,803.72 and 14,163,985.84 is: 19,559,799.95
Step by Step Solution
- Step 1: Write the proportion equation
14,980,091.60 : 20,686,803.72 = 14,163,985.84 : x - Step 2: Convert to fraction form
14,980,091.60/20,686,803.72 = 14,163,985.84/x - Step 3: Cross multiply
14,980,091.60x = 20,686,803.72 × 14,163,985.84 - Step 4: Simplify right side
14,980,091.60x = 293,007,594,964,939.31 - Step 5: Solve for x
x = 293,007,594,964,939.31/14,980,091.60 - Step 6: Final answer
x = 19,559,799.95
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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.