Finding the Fourth Proportional to 27,240,079.94, 40,860,875.64 and 6,768,972.62
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Solution
The fourth proportional to 27,240,079.94, 40,860,875.64 and 6,768,972.62 is: 10,153,646.72
Step by Step Solution
- Step 1: Write the proportion equation
27,240,079.94 : 40,860,875.64 = 6,768,972.62 : x - Step 2: Convert to fraction form
27,240,079.94/40,860,875.64 = 6,768,972.62/x - Step 3: Cross multiply
27,240,079.94x = 40,860,875.64 × 6,768,972.62 - Step 4: Simplify right side
27,240,079.94x = 276,586,148,436,385 - Step 5: Solve for x
x = 276,586,148,436,385/27,240,079.94 - Step 6: Final answer
x = 10,153,646.72
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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.