Finding the Fourth Proportional to 6,660,130.08, 9,990,195.51 and 1,611,440.58
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Solution
The fourth proportional to 6,660,130.08, 9,990,195.51 and 1,611,440.58 is: 2,417,160.96
Step by Step Solution
- Step 1: Write the proportion equation
6,660,130.08 : 9,990,195.51 = 1,611,440.58 : x - Step 2: Convert to fraction form
6,660,130.08/9,990,195.51 = 1,611,440.58/x - Step 3: Cross multiply
6,660,130.08x = 9,990,195.51 × 1,611,440.58 - Step 4: Simplify right side
6,660,130.08x = 16,098,606,446,947.80 - Step 5: Solve for x
x = 16,098,606,446,947.80/6,660,130.08 - Step 6: Final answer
x = 2,417,160.96
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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.