Finding the Fourth Proportional to 14,845,473.40, 20,487,257.58 and 14,165,228.92
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Solution
The fourth proportional to 14,845,473.40, 20,487,257.58 and 14,165,228.92 is: 19,548,497.09
Step by Step Solution
- Step 1: Write the proportion equation
14,845,473.40 : 20,487,257.58 = 14,165,228.92 : x - Step 2: Convert to fraction form
14,845,473.40/20,487,257.58 = 14,165,228.92/x - Step 3: Cross multiply
14,845,473.40x = 20,487,257.58 × 14,165,228.92 - Step 4: Simplify right side
14,845,473.40x = 290,206,693,563,705.19 - Step 5: Solve for x
x = 290,206,693,563,705.19/14,845,473.40 - Step 6: Final answer
x = 19,548,497.09
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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.