Finding the Fourth Proportional to 13,727,927.63, 18,944,488.04 and 7,533,077.99
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Solution
The fourth proportional to 13,727,927.63, 18,944,488.04 and 7,533,077.99 is: 10,395,619.04
Step by Step Solution
- Step 1: Write the proportion equation
13,727,927.63 : 18,944,488.04 = 7,533,077.99 : x - Step 2: Convert to fraction form
13,727,927.63/18,944,488.04 = 7,533,077.99/x - Step 3: Cross multiply
13,727,927.63x = 18,944,488.04 × 7,533,077.99 - Step 4: Simplify right side
13,727,927.63x = 142,710,305,885,942.25 - Step 5: Solve for x
x = 142,710,305,885,942.25/13,727,927.63 - Step 6: Final answer
x = 10,395,619.04
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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.