Finding the Fourth Proportional to 55,366,013.40, 83,024,136.90 and 21,276,029.40
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Solution
The fourth proportional to 55,366,013.40, 83,024,136.90 and 21,276,029.40 is: 31,904,481.99
Step by Step Solution
- Step 1: Write the proportion equation
55,366,013.40 : 83,024,136.90 = 21,276,029.40 : x - Step 2: Convert to fraction form
55,366,013.40/83,024,136.90 = 21,276,029.40/x - Step 3: Cross multiply
55,366,013.40x = 83,024,136.90 × 21,276,029.40 - Step 4: Simplify right side
55,366,013.40x = 1,766,423,977,594,024.75 - Step 5: Solve for x
x = 1,766,423,977,594,024.75/55,366,013.40 - Step 6: Final answer
x = 31,904,481.99
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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.