Finding the Fourth Proportional to 13,865,135.56, 19,127,439.48 and 8,971,939.12
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Solution
The fourth proportional to 13,865,135.56, 19,127,439.48 and 8,971,939.12 is: 12,377,103.84
Step by Step Solution
- Step 1: Write the proportion equation
13,865,135.56 : 19,127,439.48 = 8,971,939.12 : x - Step 2: Convert to fraction form
13,865,135.56/19,127,439.48 = 8,971,939.12/x - Step 3: Cross multiply
13,865,135.56x = 19,127,439.48 × 8,971,939.12 - Step 4: Simplify right side
13,865,135.56x = 171,610,222,536,044.44 - Step 5: Solve for x
x = 171,610,222,536,044.44/13,865,135.56 - Step 6: Final answer
x = 12,377,103.84
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1.5x scale
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.