Finding the Fourth Proportional to 47,271,278.35, 65,239,379.39 and 27,708,602.99
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Solution
The fourth proportional to 47,271,278.35, 65,239,379.39 and 27,708,602.99 is: 38,240,811.88
Step by Step Solution
- Step 1: Write the proportion equation
47,271,278.35 : 65,239,379.39 = 27,708,602.99 : x - Step 2: Convert to fraction form
47,271,278.35/65,239,379.39 = 27,708,602.99/x - Step 3: Cross multiply
47,271,278.35x = 65,239,379.39 × 27,708,602.99 - Step 4: Simplify right side
47,271,278.35x = 1,807,692,062,831,498.25 - Step 5: Solve for x
x = 1,807,692,062,831,498.25/47,271,278.35 - Step 6: Final answer
x = 38,240,811.88
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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.