Finding the Fourth Proportional to 7,606,421.55, 10,493,562.84 and 5,031,695.61
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Solution
The fourth proportional to 7,606,421.55, 10,493,562.84 and 5,031,695.61 is: 6,941,557.70
Step by Step Solution
- Step 1: Write the proportion equation
7,606,421.55 : 10,493,562.84 = 5,031,695.61 : x - Step 2: Convert to fraction form
7,606,421.55/10,493,562.84 = 5,031,695.61/x - Step 3: Cross multiply
7,606,421.55x = 10,493,562.84 × 5,031,695.61 - Step 4: Simplify right side
7,606,421.55x = 52,800,414,075,287.13 - Step 5: Solve for x
x = 52,800,414,075,287.13/7,606,421.55 - Step 6: Final answer
x = 6,941,557.70
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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.