Finding the Fourth Proportional to 7,838,715.84, 11,755,050.30 and 3,045,774.12
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Solution
The fourth proportional to 7,838,715.84, 11,755,050.30 and 3,045,774.12 is: 4,567,486.40
Step by Step Solution
- Step 1: Write the proportion equation
7,838,715.84 : 11,755,050.30 = 3,045,774.12 : x - Step 2: Convert to fraction form
7,838,715.84/11,755,050.30 = 3,045,774.12/x - Step 3: Cross multiply
7,838,715.84x = 11,755,050.30 × 3,045,774.12 - Step 4: Simplify right side
7,838,715.84x = 35,803,227,983,038.24 - Step 5: Solve for x
x = 35,803,227,983,038.24/7,838,715.84 - Step 6: Final answer
x = 4,567,486.40
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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.