Finding the Fourth Proportional to 34,089,730.56, 47,043,547.92 and 18,619,825.68
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Solution
The fourth proportional to 34,089,730.56, 47,043,547.92 and 18,619,825.68 is: 25,695,206.36
Step by Step Solution
- Step 1: Write the proportion equation
34,089,730.56 : 47,043,547.92 = 18,619,825.68 : x - Step 2: Convert to fraction form
34,089,730.56/47,043,547.92 = 18,619,825.68/x - Step 3: Cross multiply
34,089,730.56x = 47,043,547.92 × 18,619,825.68 - Step 4: Simplify right side
34,089,730.56x = 875,942,661,639,126.62 - Step 5: Solve for x
x = 875,942,661,639,126.62/34,089,730.56 - Step 6: Final answer
x = 25,695,206.36
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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.