Finding the Fourth Proportional to 19,958,485,133.21, 27,542,710,027.06 and 11,047,813,886.21
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Solution
The fourth proportional to 19,958,485,133.21, 27,542,710,027.06 and 11,047,813,886.21 is: 15,245,983,463.67
Step by Step Solution
- Step 1: Write the proportion equation
19,958,485,133.21 : 27,542,710,027.06 = 11,047,813,886.21 : x - Step 2: Convert to fraction form
19,958,485,133.21/27,542,710,027.06 = 11,047,813,886.21/x - Step 3: Cross multiply
19,958,485,133.21x = 27,542,710,027.06 × 11,047,813,886.21 - Step 4: Simplify right side
19,958,485,133.21x = 304,286,734,300,649,029,632 - Step 5: Solve for x
x = 304,286,734,300,649,029,632/19,958,485,133.21 - Step 6: Final answer
x = 15,245,983,463.67
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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.