Finding the Fourth Proportional to 10,754,331.20, 16,129,653.60 and 4,019,278.40
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Solution
The fourth proportional to 10,754,331.20, 16,129,653.60 and 4,019,278.40 is: 6,028,228.73
Step by Step Solution
- Step 1: Write the proportion equation
10,754,331.20 : 16,129,653.60 = 4,019,278.40 : x - Step 2: Convert to fraction form
10,754,331.20/16,129,653.60 = 4,019,278.40/x - Step 3: Cross multiply
10,754,331.20x = 16,129,653.60 × 4,019,278.40 - Step 4: Simplify right side
10,754,331.20x = 64,829,568,313,962.23 - Step 5: Solve for x
x = 64,829,568,313,962.23/10,754,331.20 - Step 6: Final answer
x = 6,028,228.73
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.