Finding the Fourth Proportional to 19,955,047.68, 29,923,266.24 and 10,367,848.80
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Solution
The fourth proportional to 19,955,047.68, 29,923,266.24 and 10,367,848.80 is: 15,546,938.55
Step by Step Solution
- Step 1: Write the proportion equation
19,955,047.68 : 29,923,266.24 = 10,367,848.80 : x - Step 2: Convert to fraction form
19,955,047.68/29,923,266.24 = 10,367,848.80/x - Step 3: Cross multiply
19,955,047.68x = 29,923,266.24 × 10,367,848.80 - Step 4: Simplify right side
19,955,047.68x = 310,239,899,978,464.50 - Step 5: Solve for x
x = 310,239,899,978,464.50/19,955,047.68 - Step 6: Final answer
x = 15,546,938.55
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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.