Finding the Fourth Proportional to 37,165,256.84, 51,286,628.58 and 20,646,420.05
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Solution
The fourth proportional to 37,165,256.84, 51,286,628.58 and 20,646,420.05 is: 28,491,267.56
Step by Step Solution
- Step 1: Write the proportion equation
37,165,256.84 : 51,286,628.58 = 20,646,420.05 : x - Step 2: Convert to fraction form
37,165,256.84/51,286,628.58 = 20,646,420.05/x - Step 3: Cross multiply
37,165,256.84x = 51,286,628.58 × 20,646,420.05 - Step 4: Simplify right side
37,165,256.84x = 1,058,885,276,611,015 - Step 5: Solve for x
x = 1,058,885,276,611,015/37,165,256.84 - Step 6: Final answer
x = 28,491,267.56
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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.