Finding the Fourth Proportional to 13,304,077.80, 19,963,989.90 and 8,768,239.80
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Solution
The fourth proportional to 13,304,077.80, 19,963,989.90 and 8,768,239.80 is: 13,157,548.64
Step by Step Solution
- Step 1: Write the proportion equation
13,304,077.80 : 19,963,989.90 = 8,768,239.80 : x - Step 2: Convert to fraction form
13,304,077.80/19,963,989.90 = 8,768,239.80/x - Step 3: Cross multiply
13,304,077.80x = 19,963,989.90 × 8,768,239.80 - Step 4: Simplify right side
13,304,077.80x = 175,049,050,807,978.03 - Step 5: Solve for x
x = 175,049,050,807,978.03/13,304,077.80 - Step 6: Final answer
x = 13,157,548.64
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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.