Finding the Fourth Proportional to 7,715,276.76, 11,575,162.28 and 3,454,448.54
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Solution
The fourth proportional to 7,715,276.76, 11,575,162.28 and 3,454,448.54 is: 5,182,678.95
Step by Step Solution
- Step 1: Write the proportion equation
7,715,276.76 : 11,575,162.28 = 3,454,448.54 : x - Step 2: Convert to fraction form
7,715,276.76/11,575,162.28 = 3,454,448.54/x - Step 3: Cross multiply
7,715,276.76x = 11,575,162.28 × 3,454,448.54 - Step 4: Simplify right side
7,715,276.76x = 39,985,802,438,409.07 - Step 5: Solve for x
x = 39,985,802,438,409.07/7,715,276.76 - Step 6: Final answer
x = 5,182,678.95
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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.