Finding the Fourth Proportional to 23,780,734.87, 32,817,582.08 and 12,915,718.87
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Solution
The fourth proportional to 23,780,734.87, 32,817,582.08 and 12,915,718.87 is: 17,823,783.26
Step by Step Solution
- Step 1: Write the proportion equation
23,780,734.87 : 32,817,582.08 = 12,915,718.87 : x - Step 2: Convert to fraction form
23,780,734.87/32,817,582.08 = 12,915,718.87/x - Step 3: Cross multiply
23,780,734.87x = 32,817,582.08 × 12,915,718.87 - Step 4: Simplify right side
23,780,734.87x = 423,862,664,138,429.81 - Step 5: Solve for x
x = 423,862,664,138,429.81/23,780,734.87 - Step 6: Final answer
x = 17,823,783.26
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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.