Finding the Fourth Proportional to 20,484,659.58, 28,268,495.79 and 11,192,029.65
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Solution
The fourth proportional to 20,484,659.58, 28,268,495.79 and 11,192,029.65 is: 15,444,818.20
Step by Step Solution
- Step 1: Write the proportion equation
20,484,659.58 : 28,268,495.79 = 11,192,029.65 : x - Step 2: Convert to fraction form
20,484,659.58/28,268,495.79 = 11,192,029.65/x - Step 3: Cross multiply
20,484,659.58x = 28,268,495.79 × 11,192,029.65 - Step 4: Simplify right side
20,484,659.58x = 316,381,843,042,580.19 - Step 5: Solve for x
x = 316,381,843,042,580.19/20,484,659.58 - Step 6: Final answer
x = 15,444,818.20
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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.