Finding the Fourth Proportional to 33,871,246.81, 46,738,947.95 and 19,183,981.75
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Solution
The fourth proportional to 33,871,246.81, 46,738,947.95 and 19,183,981.75 is: 26,471,984.61
Step by Step Solution
- Step 1: Write the proportion equation
33,871,246.81 : 46,738,947.95 = 19,183,981.75 : x - Step 2: Convert to fraction form
33,871,246.81/46,738,947.95 = 19,183,981.75/x - Step 3: Cross multiply
33,871,246.81x = 46,738,947.95 × 19,183,981.75 - Step 4: Simplify right side
33,871,246.81x = 896,639,124,346,172.50 - Step 5: Solve for x
x = 896,639,124,346,172.50/33,871,246.81 - Step 6: Final answer
x = 26,471,984.61
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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.