Finding the Fourth Proportional to 46,972,981.20, 70,436,419.92 and 19,301,886
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Solution
The fourth proportional to 46,972,981.20, 70,436,419.92 and 19,301,886 is: 28,943,356.64
Step by Step Solution
- Step 1: Write the proportion equation
46,972,981.20 : 70,436,419.92 = 19,301,886 : x - Step 2: Convert to fraction form
46,972,981.20/70,436,419.92 = 19,301,886/x - Step 3: Cross multiply
46,972,981.20x = 70,436,419.92 × 19,301,886 - Step 4: Simplify right side
46,972,981.20x = 1,359,555,747,543,969.25 - Step 5: Solve for x
x = 1,359,555,747,543,969.25/46,972,981.20 - Step 6: Final answer
x = 28,943,356.64
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.