Finding the Fourth Proportional to 19,798,119.88, 29,699,421.96 and 17,763,863.38
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Solution
The fourth proportional to 19,798,119.88, 29,699,421.96 and 17,763,863.38 is: 26,647,806.82
Step by Step Solution
- Step 1: Write the proportion equation
19,798,119.88 : 29,699,421.96 = 17,763,863.38 : x - Step 2: Convert to fraction form
19,798,119.88/29,699,421.96 = 17,763,863.38/x - Step 3: Cross multiply
19,798,119.88x = 29,699,421.96 × 17,763,863.38 - Step 4: Simplify right side
19,798,119.88x = 527,576,474,088,401 - Step 5: Solve for x
x = 527,576,474,088,401/19,798,119.88 - Step 6: Final answer
x = 26,647,806.82
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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.