Finding the Fourth Proportional to 16,381,878.30, 24,572,817.45 and 7,283,958.30
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Solution
The fourth proportional to 16,381,878.30, 24,572,817.45 and 7,283,958.30 is: 10,925,937.45
Step by Step Solution
- Step 1: Write the proportion equation
16,381,878.30 : 24,572,817.45 = 7,283,958.30 : x - Step 2: Convert to fraction form
16,381,878.30/24,572,817.45 = 7,283,958.30/x - Step 3: Cross multiply
16,381,878.30x = 24,572,817.45 × 7,283,958.30 - Step 4: Simplify right side
16,381,878.30x = 178,987,377,619,312.31 - Step 5: Solve for x
x = 178,987,377,619,312.31/16,381,878.30 - Step 6: Final answer
x = 10,925,937.45
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Double scale
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Similar ratio
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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.