Finding the Fourth Proportional to 10,617,858.63, 15,916,697.21 and 6,768,878.66
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Solution
The fourth proportional to 10,617,858.63, 15,916,697.21 and 6,768,878.66 is: 10,146,885.14
Step by Step Solution
- Step 1: Write the proportion equation
10,617,858.63 : 15,916,697.21 = 6,768,878.66 : x - Step 2: Convert to fraction form
10,617,858.63/15,916,697.21 = 6,768,878.66/x - Step 3: Cross multiply
10,617,858.63x = 15,916,697.21 × 6,768,878.66 - Step 4: Simplify right side
10,617,858.63x = 107,738,191,969,022.66 - Step 5: Solve for x
x = 107,738,191,969,022.66/10,617,858.63 - Step 6: Final answer
x = 10,146,885.14
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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.