Finding the Fourth Proportional to 19,682,678.80, 29,528,683.80 and 10,099,536.40
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Solution
The fourth proportional to 19,682,678.80, 29,528,683.80 and 10,099,536.40 is: 15,151,698.60
Step by Step Solution
- Step 1: Write the proportion equation
19,682,678.80 : 29,528,683.80 = 10,099,536.40 : x - Step 2: Convert to fraction form
19,682,678.80/29,528,683.80 = 10,099,536.40/x - Step 3: Cross multiply
19,682,678.80x = 29,528,683.80 × 10,099,536.40 - Step 4: Simplify right side
19,682,678.80x = 298,226,016,882,190.31 - Step 5: Solve for x
x = 298,226,016,882,190.31/19,682,678.80 - Step 6: Final answer
x = 15,151,698.60
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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.