Finding the Fourth Proportional to 19,001,473.32, 26,221,330.67 and 10,299,459.09
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Solution
The fourth proportional to 19,001,473.32, 26,221,330.67 and 10,299,459.09 is: 14,212,872.76
Step by Step Solution
- Step 1: Write the proportion equation
19,001,473.32 : 26,221,330.67 = 10,299,459.09 : x - Step 2: Convert to fraction form
19,001,473.32/26,221,330.67 = 10,299,459.09/x - Step 3: Cross multiply
19,001,473.32x = 26,221,330.67 × 10,299,459.09 - Step 4: Simplify right side
19,001,473.32x = 270,065,522,521,027.31 - Step 5: Solve for x
x = 270,065,522,521,027.31/19,001,473.32 - Step 6: Final answer
x = 14,212,872.76
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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.