Finding the Fourth Proportional to 11,854,995.14, 16,359,790.64 and 6,422,474.18
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Solution
The fourth proportional to 11,854,995.14, 16,359,790.64 and 6,422,474.18 is: 8,862,958.76
Step by Step Solution
- Step 1: Write the proportion equation
11,854,995.14 : 16,359,790.64 = 6,422,474.18 : x - Step 2: Convert to fraction form
11,854,995.14/16,359,790.64 = 6,422,474.18/x - Step 3: Cross multiply
11,854,995.14x = 16,359,790.64 × 6,422,474.18 - Step 4: Simplify right side
11,854,995.14x = 105,070,332,975,605.67 - Step 5: Solve for x
x = 105,070,332,975,605.67/11,854,995.14 - Step 6: Final answer
x = 8,862,958.76
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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.