Finding the Fourth Proportional to 16,208,987.40, 22,368,955.14 and 9,240,695.37
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Solution
The fourth proportional to 16,208,987.40, 22,368,955.14 and 9,240,695.37 is: 12,752,474.61
Step by Step Solution
- Step 1: Write the proportion equation
16,208,987.40 : 22,368,955.14 = 9,240,695.37 : x - Step 2: Convert to fraction form
16,208,987.40/22,368,955.14 = 9,240,695.37/x - Step 3: Cross multiply
16,208,987.40x = 22,368,955.14 × 9,240,695.37 - Step 4: Simplify right side
16,208,987.40x = 206,704,700,193,935.69 - Step 5: Solve for x
x = 206,704,700,193,935.69/16,208,987.40 - Step 6: Final answer
x = 12,752,474.61
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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.