Finding the Fourth Proportional to 7,775,406.18, 11,663,060.04 and 2,655,365.76
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Solution
The fourth proportional to 7,775,406.18, 11,663,060.04 and 2,655,365.76 is: 3,983,031.83
Step by Step Solution
- Step 1: Write the proportion equation
7,775,406.18 : 11,663,060.04 = 2,655,365.76 : x - Step 2: Convert to fraction form
7,775,406.18/11,663,060.04 = 2,655,365.76/x - Step 3: Cross multiply
7,775,406.18x = 11,663,060.04 × 2,655,365.76 - Step 4: Simplify right side
7,775,406.18x = 30,969,690,287,040.23 - Step 5: Solve for x
x = 30,969,690,287,040.23/7,775,406.18 - Step 6: Final answer
x = 3,983,031.83
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.