Finding the Fourth Proportional to 30,177,990.99, 41,646,633.48 and 16,949,499.06
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Solution
The fourth proportional to 30,177,990.99, 41,646,633.48 and 16,949,499.06 is: 23,390,873.68
Step by Step Solution
- Step 1: Write the proportion equation
30,177,990.99 : 41,646,633.48 = 16,949,499.06 : x - Step 2: Convert to fraction form
30,177,990.99/41,646,633.48 = 16,949,499.06/x - Step 3: Cross multiply
30,177,990.99x = 41,646,633.48 × 16,949,499.06 - Step 4: Simplify right side
30,177,990.99x = 705,889,574,997,543.50 - Step 5: Solve for x
x = 705,889,574,997,543.50/30,177,990.99 - Step 6: Final answer
x = 23,390,873.68
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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.