Finding the Fourth Proportional to 14,409,232.27, 19,882,569.95 and 8,214,817.21
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Solution
The fourth proportional to 14,409,232.27, 19,882,569.95 and 8,214,817.21 is: 11,335,210.28
Step by Step Solution
- Step 1: Write the proportion equation
14,409,232.27 : 19,882,569.95 = 8,214,817.21 : x - Step 2: Convert to fraction form
14,409,232.27/19,882,569.95 = 8,214,817.21/x - Step 3: Cross multiply
14,409,232.27x = 19,882,569.95 × 8,214,817.21 - Step 4: Simplify right side
14,409,232.27x = 163,331,677,804,288.84 - Step 5: Solve for x
x = 163,331,677,804,288.84/14,409,232.27 - Step 6: Final answer
x = 11,335,210.28
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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.