Finding the Fourth Proportional to 19,764,469.80, 29,596,938.30 and 12,996,239.40
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Solution
The fourth proportional to 19,764,469.80, 29,596,938.30 and 12,996,239.40 is: 19,461,634.92
Step by Step Solution
- Step 1: Write the proportion equation
19,764,469.80 : 29,596,938.30 = 12,996,239.40 : x - Step 2: Convert to fraction form
19,764,469.80/29,596,938.30 = 12,996,239.40/x - Step 3: Cross multiply
19,764,469.80x = 29,596,938.30 × 12,996,239.40 - Step 4: Simplify right side
19,764,469.80x = 384,648,895,653,829.06 - Step 5: Solve for x
x = 384,648,895,653,829.06/19,764,469.80 - Step 6: Final answer
x = 19,461,634.92
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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.