Finding the Fourth Proportional to 21,756,965.87, 32,624,217.95 and 6,402,260.09
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Solution
The fourth proportional to 21,756,965.87, 32,624,217.95 and 6,402,260.09 is: 9,600,085.32
Step by Step Solution
- Step 1: Write the proportion equation
21,756,965.87 : 32,624,217.95 = 6,402,260.09 : x - Step 2: Convert to fraction form
21,756,965.87/32,624,217.95 = 6,402,260.09/x - Step 3: Cross multiply
21,756,965.87x = 32,624,217.95 × 6,402,260.09 - Step 4: Simplify right side
21,756,965.87x = 208,868,728,598,295.88 - Step 5: Solve for x
x = 208,868,728,598,295.88/21,756,965.87 - Step 6: Final answer
x = 9,600,085.32
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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.