Finding the Fourth Proportional to 10,219,459.34, 14,102,378.70 and 5,865,480.92
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Solution
The fourth proportional to 10,219,459.34, 14,102,378.70 and 5,865,480.92 is: 8,094,090.93
Step by Step Solution
- Step 1: Write the proportion equation
10,219,459.34 : 14,102,378.70 = 5,865,480.92 : x - Step 2: Convert to fraction form
10,219,459.34/14,102,378.70 = 5,865,480.92/x - Step 3: Cross multiply
10,219,459.34x = 14,102,378.70 × 5,865,480.92 - Step 4: Simplify right side
10,219,459.34x = 82,717,233,191,464.41 - Step 5: Solve for x
x = 82,717,233,191,464.41/10,219,459.34 - Step 6: Final answer
x = 8,094,090.93
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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.