Finding the Fourth Proportional to 9,192,722.71, 12,687,336.50 and 6,983,950.85
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Solution
The fourth proportional to 9,192,722.71, 12,687,336.50 and 6,983,950.85 is: 9,638,899.95
Step by Step Solution
- Step 1: Write the proportion equation
9,192,722.71 : 12,687,336.50 = 6,983,950.85 : x - Step 2: Convert to fraction form
9,192,722.71/12,687,336.50 = 6,983,950.85/x - Step 3: Cross multiply
9,192,722.71x = 12,687,336.50 × 6,983,950.85 - Step 4: Simplify right side
9,192,722.71x = 88,607,734,435,054.58 - Step 5: Solve for x
x = 88,607,734,435,054.58/9,192,722.71 - Step 6: Final answer
x = 9,638,899.95
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1.5x scale
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.