Finding the Fourth Proportional to 19,882,868.58, 29,824,003.17 and 8,945,334.09
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Solution
The fourth proportional to 19,882,868.58, 29,824,003.17 and 8,945,334.09 is: 13,417,866.30
Step by Step Solution
- Step 1: Write the proportion equation
19,882,868.58 : 29,824,003.17 = 8,945,334.09 : x - Step 2: Convert to fraction form
19,882,868.58/29,824,003.17 = 8,945,334.09/x - Step 3: Cross multiply
19,882,868.58x = 29,824,003.17 × 8,945,334.09 - Step 4: Simplify right side
19,882,868.58x = 266,785,672,256,869.06 - Step 5: Solve for x
x = 266,785,672,256,869.06/19,882,868.58 - Step 6: Final answer
x = 13,417,866.30
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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.