Finding the Fourth Proportional to 13,459,411.44, 18,573,339.96 and 7,657,651.44
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Solution
The fourth proportional to 13,459,411.44, 18,573,339.96 and 7,657,651.44 is: 10,567,190.41
Step by Step Solution
- Step 1: Write the proportion equation
13,459,411.44 : 18,573,339.96 = 7,657,651.44 : x - Step 2: Convert to fraction form
13,459,411.44/18,573,339.96 = 7,657,651.44/x - Step 3: Cross multiply
13,459,411.44x = 18,573,339.96 × 7,657,651.44 - Step 4: Simplify right side
13,459,411.44x = 142,228,163,490,303.56 - Step 5: Solve for x
x = 142,228,163,490,303.56/13,459,411.44 - Step 6: Final answer
x = 10,567,190.41
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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.