Finding the Fourth Proportional to 19,662,569.28, 27,135,823.26 and 11,402,559.84
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Solution
The fourth proportional to 19,662,569.28, 27,135,823.26 and 11,402,559.84 is: 15,736,389.49
Step by Step Solution
- Step 1: Write the proportion equation
19,662,569.28 : 27,135,823.26 = 11,402,559.84 : x - Step 2: Convert to fraction form
19,662,569.28/27,135,823.26 = 11,402,559.84/x - Step 3: Cross multiply
19,662,569.28x = 27,135,823.26 × 11,402,559.84 - Step 4: Simplify right side
19,662,569.28x = 309,417,848,529,813.88 - Step 5: Solve for x
x = 309,417,848,529,813.88/19,662,569.28 - Step 6: Final answer
x = 15,736,389.49
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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.