Finding the Fourth Proportional to 29,509,798.37, 40,709,623.14 and 19,192,757.09
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Solution
The fourth proportional to 29,509,798.37, 40,709,623.14 and 19,192,757.09 is: 26,476,965.32
Step by Step Solution
- Step 1: Write the proportion equation
29,509,798.37 : 40,709,623.14 = 19,192,757.09 : x - Step 2: Convert to fraction form
29,509,798.37/40,709,623.14 = 19,192,757.09/x - Step 3: Cross multiply
29,509,798.37x = 40,709,623.14 × 19,192,757.09 - Step 4: Simplify right side
29,509,798.37x = 781,329,907,947,915 - Step 5: Solve for x
x = 781,329,907,947,915/29,509,798.37 - Step 6: Final answer
x = 26,476,965.32
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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.