Finding the Fourth Proportional to 37,758,671.84, 56,638,335.54 and 12,199,683.98
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Solution
The fourth proportional to 37,758,671.84, 56,638,335.54 and 12,199,683.98 is: 18,299,631.87
Step by Step Solution
- Step 1: Write the proportion equation
37,758,671.84 : 56,638,335.54 = 12,199,683.98 : x - Step 2: Convert to fraction form
37,758,671.84/56,638,335.54 = 12,199,683.98/x - Step 3: Cross multiply
37,758,671.84x = 56,638,335.54 × 12,199,683.98 - Step 4: Simplify right side
37,758,671.84x = 690,969,794,741,202.62 - Step 5: Solve for x
x = 690,969,794,741,202.62/37,758,671.84 - Step 6: Final answer
x = 18,299,631.87
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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.