Finding the Fourth Proportional to 19,331,351.79, 26,652,501 and 15,833,805.81
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Solution
The fourth proportional to 19,331,351.79, 26,652,501 and 15,833,805.81 is: 21,830,368.09
Step by Step Solution
- Step 1: Write the proportion equation
19,331,351.79 : 26,652,501 = 15,833,805.81 : x - Step 2: Convert to fraction form
19,331,351.79/26,652,501 = 15,833,805.81/x - Step 3: Cross multiply
19,331,351.79x = 26,652,501 × 15,833,805.81 - Step 4: Simplify right side
19,331,351.79x = 422,010,525,184,830.81 - Step 5: Solve for x
x = 422,010,525,184,830.81/19,331,351.79 - Step 6: Final answer
x = 21,830,368.09
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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.