Finding the Fourth Proportional to 27,221,484.46, 37,565,439.92 and 14,831,538.98
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Solution
The fourth proportional to 27,221,484.46, 37,565,439.92 and 14,831,538.98 is: 20,467,410.12
Step by Step Solution
- Step 1: Write the proportion equation
27,221,484.46 : 37,565,439.92 = 14,831,538.98 : x - Step 2: Convert to fraction form
27,221,484.46/37,565,439.92 = 14,831,538.98/x - Step 3: Cross multiply
27,221,484.46x = 37,565,439.92 × 14,831,538.98 - Step 4: Simplify right side
27,221,484.46x = 557,153,286,474,328.12 - Step 5: Solve for x
x = 557,153,286,474,328.12/27,221,484.46 - Step 6: Final answer
x = 20,467,410.12
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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.