Finding the Fourth Proportional to 16,208,742.28, 22,368,597.74 and 8,866,407.56
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Solution
The fourth proportional to 16,208,742.28, 22,368,597.74 and 8,866,407.56 is: 12,235,934.21
Step by Step Solution
- Step 1: Write the proportion equation
16,208,742.28 : 22,368,597.74 = 8,866,407.56 : x - Step 2: Convert to fraction form
16,208,742.28/22,368,597.74 = 8,866,407.56/x - Step 3: Cross multiply
16,208,742.28x = 22,368,597.74 × 8,866,407.56 - Step 4: Simplify right side
16,208,742.28x = 198,329,104,108,534.91 - Step 5: Solve for x
x = 198,329,104,108,534.91/16,208,742.28 - Step 6: Final answer
x = 12,235,934.21
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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.