Finding the Fourth Proportional to 36,849,813.46, 55,281,804.99 and 14,128,938.82
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Solution
The fourth proportional to 36,849,813.46, 55,281,804.99 and 14,128,938.82 is: 21,196,124.68
Step by Step Solution
- Step 1: Write the proportion equation
36,849,813.46 : 55,281,804.99 = 14,128,938.82 : x - Step 2: Convert to fraction form
36,849,813.46/55,281,804.99 = 14,128,938.82/x - Step 3: Cross multiply
36,849,813.46x = 55,281,804.99 × 14,128,938.82 - Step 4: Simplify right side
36,849,813.46x = 781,073,240,562,880.75 - Step 5: Solve for x
x = 781,073,240,562,880.75/36,849,813.46 - Step 6: Final answer
x = 21,196,124.68
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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.