Finding the Fourth Proportional to 10,419,772.80, 15,628,240.35 and 2,742,774.78
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Solution
The fourth proportional to 10,419,772.80, 15,628,240.35 and 2,742,774.78 is: 4,113,788.69
Step by Step Solution
- Step 1: Write the proportion equation
10,419,772.80 : 15,628,240.35 = 2,742,774.78 : x - Step 2: Convert to fraction form
10,419,772.80/15,628,240.35 = 2,742,774.78/x - Step 3: Cross multiply
10,419,772.80x = 15,628,240.35 × 2,742,774.78 - Step 4: Simplify right side
10,419,772.80x = 42,864,743,487,758.37 - Step 5: Solve for x
x = 42,864,743,487,758.37/10,419,772.80 - Step 6: Final answer
x = 4,113,788.69
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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.