Finding the Fourth Proportional to 19,001,470.07, 26,221,326.18 and 10,299,455.84
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Solution
The fourth proportional to 19,001,470.07, 26,221,326.18 and 10,299,455.84 is: 14,212,868.27
Step by Step Solution
- Step 1: Write the proportion equation
19,001,470.07 : 26,221,326.18 = 10,299,455.84 : x - Step 2: Convert to fraction form
19,001,470.07/26,221,326.18 = 10,299,455.84/x - Step 3: Cross multiply
19,001,470.07x = 26,221,326.18 × 10,299,455.84 - Step 4: Simplify right side
19,001,470.07x = 270,065,391,057,145.88 - Step 5: Solve for x
x = 270,065,391,057,145.88/19,001,470.07 - Step 6: Final answer
x = 14,212,868.27
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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.