Finding the Fourth Proportional to 11,553,515.17, 15,944,349.06 and 6,396,876.61
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Solution
The fourth proportional to 11,553,515.17, 15,944,349.06 and 6,396,876.61 is: 8,827,965.52
Step by Step Solution
- Step 1: Write the proportion equation
11,553,515.17 : 15,944,349.06 = 6,396,876.61 : x - Step 2: Convert to fraction form
11,553,515.17/15,944,349.06 = 6,396,876.61/x - Step 3: Cross multiply
11,553,515.17x = 15,944,349.06 × 6,396,876.61 - Step 4: Simplify right side
11,553,515.17x = 101,994,033,563,589.50 - Step 5: Solve for x
x = 101,994,033,563,589.50/11,553,515.17 - Step 6: Final answer
x = 8,827,965.52
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.