Finding the Fourth Proportional to 47,271,278.85, 65,239,380.08 and 27,708,603.49
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Solution
The fourth proportional to 47,271,278.85, 65,239,380.08 and 27,708,603.49 is: 38,240,812.57
Step by Step Solution
- Step 1: Write the proportion equation
47,271,278.85 : 65,239,380.08 = 27,708,603.49 : x - Step 2: Convert to fraction form
47,271,278.85/65,239,380.08 = 27,708,603.49/x - Step 3: Cross multiply
47,271,278.85x = 65,239,380.08 × 27,708,603.49 - Step 4: Simplify right side
47,271,278.85x = 1,807,692,114,570,124.25 - Step 5: Solve for x
x = 1,807,692,114,570,124.25/47,271,278.85 - Step 6: Final answer
x = 38,240,812.57
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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.