Finding the Fourth Proportional to 47,295,009.12, 65,267,083.68 and 25,564,977.12
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Solution
The fourth proportional to 47,295,009.12, 65,267,083.68 and 25,564,977.12 is: 35,279,652.80
Step by Step Solution
- Step 1: Write the proportion equation
47,295,009.12 : 65,267,083.68 = 25,564,977.12 : x - Step 2: Convert to fraction form
47,295,009.12/65,267,083.68 = 25,564,977.12/x - Step 3: Cross multiply
47,295,009.12x = 65,267,083.68 × 25,564,977.12 - Step 4: Simplify right side
47,295,009.12x = 1,668,551,500,968,325.50 - Step 5: Solve for x
x = 1,668,551,500,968,325.50/47,295,009.12 - Step 6: Final answer
x = 35,279,652.80
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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.