Finding the Fourth Proportional to 16,749,901.80, 25,124,852.70 and 12,498,373.80
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Solution
The fourth proportional to 16,749,901.80, 25,124,852.70 and 12,498,373.80 is: 18,747,560.70
Step by Step Solution
- Step 1: Write the proportion equation
16,749,901.80 : 25,124,852.70 = 12,498,373.80 : x - Step 2: Convert to fraction form
16,749,901.80/25,124,852.70 = 12,498,373.80/x - Step 3: Cross multiply
16,749,901.80x = 25,124,852.70 × 12,498,373.80 - Step 4: Simplify right side
16,749,901.80x = 314,019,800,714,539.25 - Step 5: Solve for x
x = 314,019,800,714,539.25/16,749,901.80 - Step 6: Final answer
x = 18,747,560.70
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.