Finding the Fourth Proportional to 38,456,247.65, 53,069,624.36 and 21,052,592.87
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Solution
The fourth proportional to 38,456,247.65, 53,069,624.36 and 21,052,592.87 is: 29,052,579.58
Step by Step Solution
- Step 1: Write the proportion equation
38,456,247.65 : 53,069,624.36 = 21,052,592.87 : x - Step 2: Convert to fraction form
38,456,247.65/53,069,624.36 = 21,052,592.87/x - Step 3: Cross multiply
38,456,247.65x = 53,069,624.36 × 21,052,592.87 - Step 4: Simplify right side
38,456,247.65x = 1,117,253,195,044,303.12 - Step 5: Solve for x
x = 1,117,253,195,044,303.12/38,456,247.65 - Step 6: Final answer
x = 29,052,579.58
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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.