Finding the Fourth Proportional to 19,674,904.16, 27,151,415.88 and 10,973,640.44
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Solution
The fourth proportional to 19,674,904.16, 27,151,415.88 and 10,973,640.44 is: 15,143,650.66
Step by Step Solution
- Step 1: Write the proportion equation
19,674,904.16 : 27,151,415.88 = 10,973,640.44 : x - Step 2: Convert to fraction form
19,674,904.16/27,151,415.88 = 10,973,640.44/x - Step 3: Cross multiply
19,674,904.16x = 27,151,415.88 × 10,973,640.44 - Step 4: Simplify right side
19,674,904.16x = 297,949,875,304,026.19 - Step 5: Solve for x
x = 297,949,875,304,026.19/19,674,904.16 - Step 6: Final answer
x = 15,143,650.66
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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.