Finding the Fourth Proportional to 13,591,124.58, 18,755,746.35 and 7,479,553.02
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Solution
The fourth proportional to 13,591,124.58, 18,755,746.35 and 7,479,553.02 is: 10,321,780.10
Step by Step Solution
- Step 1: Write the proportion equation
13,591,124.58 : 18,755,746.35 = 7,479,553.02 : x - Step 2: Convert to fraction form
13,591,124.58/18,755,746.35 = 7,479,553.02/x - Step 3: Cross multiply
13,591,124.58x = 18,755,746.35 × 7,479,553.02 - Step 4: Simplify right side
13,591,124.58x = 140,284,599,254,496.48 - Step 5: Solve for x
x = 140,284,599,254,496.48/13,591,124.58 - Step 6: Final answer
x = 10,321,780.10
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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.