Finding the Fourth Proportional to 19,747,973.62, 29,611,309.20 and 8,959,387.87
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Solution
The fourth proportional to 19,747,973.62, 29,611,309.20 and 8,959,387.87 is: 13,434,249.49
Step by Step Solution
- Step 1: Write the proportion equation
19,747,973.62 : 29,611,309.20 = 8,959,387.87 : x - Step 2: Convert to fraction form
19,747,973.62/29,611,309.20 = 8,959,387.87/x - Step 3: Cross multiply
19,747,973.62x = 29,611,309.20 × 8,959,387.87 - Step 4: Simplify right side
19,747,973.62x = 265,299,204,461,299.38 - Step 5: Solve for x
x = 265,299,204,461,299.38/19,747,973.62 - Step 6: Final answer
x = 13,434,249.49
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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.