Finding the Fourth Proportional to 11,148,800.40, 16,719,053.40 and 4,415,821.20
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Solution
The fourth proportional to 11,148,800.40, 16,719,053.40 and 4,415,821.20 is: 6,622,089.18
Step by Step Solution
- Step 1: Write the proportion equation
11,148,800.40 : 16,719,053.40 = 4,415,821.20 : x - Step 2: Convert to fraction form
11,148,800.40/16,719,053.40 = 4,415,821.20/x - Step 3: Cross multiply
11,148,800.40x = 16,719,053.40 × 4,415,821.20 - Step 4: Simplify right side
11,148,800.40x = 73,828,350,447,652.08 - Step 5: Solve for x
x = 73,828,350,447,652.08/11,148,800.40 - Step 6: Final answer
x = 6,622,089.18
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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.