Finding the Fourth Proportional to 7,772,989.02, 11,660,977.97 and 2,980,304.50
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Solution
The fourth proportional to 7,772,989.02, 11,660,977.97 and 2,980,304.50 is: 4,471,029.75
Step by Step Solution
- Step 1: Write the proportion equation
7,772,989.02 : 11,660,977.97 = 2,980,304.50 : x - Step 2: Convert to fraction form
7,772,989.02/11,660,977.97 = 2,980,304.50/x - Step 3: Cross multiply
7,772,989.02x = 11,660,977.97 × 2,980,304.50 - Step 4: Simplify right side
7,772,989.02x = 34,753,265,118,391.87 - Step 5: Solve for x
x = 34,753,265,118,391.87/7,772,989.02 - Step 6: Final answer
x = 4,471,029.75
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.