Finding the Fourth Proportional to 7,748,215.02, 11,622,322.47 and 2,824,615.98
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Solution
The fourth proportional to 7,748,215.02, 11,622,322.47 and 2,824,615.98 is: 4,236,923.95
Step by Step Solution
- Step 1: Write the proportion equation
7,748,215.02 : 11,622,322.47 = 2,824,615.98 : x - Step 2: Convert to fraction form
7,748,215.02/11,622,322.47 = 2,824,615.98/x - Step 3: Cross multiply
7,748,215.02x = 11,622,322.47 × 2,824,615.98 - Step 4: Simplify right side
7,748,215.02x = 32,828,597,773,475.07 - Step 5: Solve for x
x = 32,828,597,773,475.07/7,748,215.02 - Step 6: Final answer
x = 4,236,923.95
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.