Finding the Fourth Proportional to 18,130,368.90, 27,187,680.15 and 5,995,143.30
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Solution
The fourth proportional to 18,130,368.90, 27,187,680.15 and 5,995,143.30 is: 8,990,111.53
Step by Step Solution
- Step 1: Write the proportion equation
18,130,368.90 : 27,187,680.15 = 5,995,143.30 : x - Step 2: Convert to fraction form
18,130,368.90/27,187,680.15 = 5,995,143.30/x - Step 3: Cross multiply
18,130,368.90x = 27,187,680.15 × 5,995,143.30 - Step 4: Simplify right side
18,130,368.90x = 162,994,038,493,815.47 - Step 5: Solve for x
x = 162,994,038,493,815.47/18,130,368.90 - Step 6: Final answer
x = 8,990,111.53
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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.