Finding the Fourth Proportional to 14,781,479.98, 20,250,289.28 and 14,228,837.84
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Solution
The fourth proportional to 14,781,479.98, 20,250,289.28 and 14,228,837.84 is: 19,493,182.20
Step by Step Solution
- Step 1: Write the proportion equation
14,781,479.98 : 20,250,289.28 = 14,228,837.84 : x - Step 2: Convert to fraction form
14,781,479.98/20,250,289.28 = 14,228,837.84/x - Step 3: Cross multiply
14,781,479.98x = 20,250,289.28 × 14,228,837.84 - Step 4: Simplify right side
14,781,479.98x = 288,138,082,378,210.38 - Step 5: Solve for x
x = 288,138,082,378,210.38/14,781,479.98 - Step 6: Final answer
x = 19,493,182.20
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Why These Related Problems?
These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.