Finding the Fourth Proportional to 8,053,134.84, 12,078,142.65 and 3,129,158.12
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Solution
The fourth proportional to 8,053,134.84, 12,078,142.65 and 3,129,158.12 is: 4,693,131.16
Step by Step Solution
- Step 1: Write the proportion equation
8,053,134.84 : 12,078,142.65 = 3,129,158.12 : x - Step 2: Convert to fraction form
8,053,134.84/12,078,142.65 = 3,129,158.12/x - Step 3: Cross multiply
8,053,134.84x = 12,078,142.65 × 3,129,158.12 - Step 4: Simplify right side
8,053,134.84x = 37,794,418,087,375.11 - Step 5: Solve for x
x = 37,794,418,087,375.11/8,053,134.84 - Step 6: Final answer
x = 4,693,131.16
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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.