Finding the Fourth Proportional to 8,311,412.04, 12,474,781.74 and 4,215,607.62
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Solution
The fourth proportional to 8,311,412.04, 12,474,781.74 and 4,215,607.62 is: 6,327,298.50
Step by Step Solution
- Step 1: Write the proportion equation
8,311,412.04 : 12,474,781.74 = 4,215,607.62 : x - Step 2: Convert to fraction form
8,311,412.04/12,474,781.74 = 4,215,607.62/x - Step 3: Cross multiply
8,311,412.04x = 12,474,781.74 × 4,215,607.62 - Step 4: Simplify right side
8,311,412.04x = 52,588,784,960,980.86 - Step 5: Solve for x
x = 52,588,784,960,980.86/8,311,412.04 - Step 6: Final answer
x = 6,327,298.50
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1.5x scale
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.