Finding the Fourth Proportional to 13,511,204.68, 18,646,793.58 and 7,710,859.48
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Solution
The fourth proportional to 13,511,204.68, 18,646,793.58 and 7,710,859.48 is: 10,641,745.75
Step by Step Solution
- Step 1: Write the proportion equation
13,511,204.68 : 18,646,793.58 = 7,710,859.48 : x - Step 2: Convert to fraction form
13,511,204.68/18,646,793.58 = 7,710,859.48/x - Step 3: Cross multiply
13,511,204.68x = 18,646,793.58 × 7,710,859.48 - Step 4: Simplify right side
13,511,204.68x = 143,782,805,047,946.12 - Step 5: Solve for x
x = 143,782,805,047,946.12/13,511,204.68 - Step 6: Final answer
x = 10,641,745.75
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.