Finding the Fourth Proportional to 19,172,454.75, 28,759,272.62 and 8,384,202.45
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Solution
The fourth proportional to 19,172,454.75, 28,759,272.62 and 8,384,202.45 is: 12,576,561.90
Step by Step Solution
- Step 1: Write the proportion equation
19,172,454.75 : 28,759,272.62 = 8,384,202.45 : x - Step 2: Convert to fraction form
19,172,454.75/28,759,272.62 = 8,384,202.45/x - Step 3: Cross multiply
19,172,454.75x = 28,759,272.62 × 8,384,202.45 - Step 4: Simplify right side
19,172,454.75x = 241,123,563,918,900.91 - Step 5: Solve for x
x = 241,123,563,918,900.91/19,172,454.75 - Step 6: Final answer
x = 12,576,561.90
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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.