Finding the Fourth Proportional to 19,772,497.21, 27,286,327.83 and 11,399,701.34
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Solution
The fourth proportional to 19,772,497.21, 27,286,327.83 and 11,399,701.34 is: 15,731,750.25
Step by Step Solution
- Step 1: Write the proportion equation
19,772,497.21 : 27,286,327.83 = 11,399,701.34 : x - Step 2: Convert to fraction form
19,772,497.21/27,286,327.83 = 11,399,701.34/x - Step 3: Cross multiply
19,772,497.21x = 27,286,327.83 × 11,399,701.34 - Step 4: Simplify right side
19,772,497.21x = 311,055,987,955,829.56 - Step 5: Solve for x
x = 311,055,987,955,829.56/19,772,497.21 - Step 6: Final answer
x = 15,731,750.25
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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.