Finding the Fourth Proportional to 8,243,078.61, 11,376,810.12 and 4,573,177.49
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Solution
The fourth proportional to 8,243,078.61, 11,376,810.12 and 4,573,177.49 is: 6,311,740.35
Step by Step Solution
- Step 1: Write the proportion equation
8,243,078.61 : 11,376,810.12 = 4,573,177.49 : x - Step 2: Convert to fraction form
8,243,078.61/11,376,810.12 = 4,573,177.49/x - Step 3: Cross multiply
8,243,078.61x = 11,376,810.12 × 4,573,177.49 - Step 4: Simplify right side
8,243,078.61x = 52,028,171,869,038.27 - Step 5: Solve for x
x = 52,028,171,869,038.27/8,243,078.61 - Step 6: Final answer
x = 6,311,740.35
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.