Finding the Fourth Proportional to 10,227,412.08, 15,347,966.76 and 4,243,785.84
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Solution
The fourth proportional to 10,227,412.08, 15,347,966.76 and 4,243,785.84 is: 6,368,520.55
Step by Step Solution
- Step 1: Write the proportion equation
10,227,412.08 : 15,347,966.76 = 4,243,785.84 : x - Step 2: Convert to fraction form
10,227,412.08/15,347,966.76 = 4,243,785.84/x - Step 3: Cross multiply
10,227,412.08x = 15,347,966.76 × 4,243,785.84 - Step 4: Simplify right side
10,227,412.08x = 65,133,484,008,878.67 - Step 5: Solve for x
x = 65,133,484,008,878.67/10,227,412.08 - Step 6: Final answer
x = 6,368,520.55
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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.