Finding the Fourth Proportional to 36,205,014.84, 49,962,569.22 and 19,685,139.18
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Solution
The fourth proportional to 36,205,014.84, 49,962,569.22 and 19,685,139.18 is: 27,165,301.08
Step by Step Solution
- Step 1: Write the proportion equation
36,205,014.84 : 49,962,569.22 = 19,685,139.18 : x - Step 2: Convert to fraction form
36,205,014.84/49,962,569.22 = 19,685,139.18/x - Step 3: Cross multiply
36,205,014.84x = 49,962,569.22 × 19,685,139.18 - Step 4: Simplify right side
36,205,014.84x = 983,520,128,886,084 - Step 5: Solve for x
x = 983,520,128,886,084/36,205,014.84 - Step 6: Final answer
x = 27,165,301.08
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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.