Finding the Fourth Proportional to 19,686,636.24, 29,531,373.28 and 7,556,099.70
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Solution
The fourth proportional to 19,686,636.24, 29,531,373.28 and 7,556,099.70 is: 11,334,694.16
Step by Step Solution
- Step 1: Write the proportion equation
19,686,636.24 : 29,531,373.28 = 7,556,099.70 : x - Step 2: Convert to fraction form
19,686,636.24/29,531,373.28 = 7,556,099.70/x - Step 3: Cross multiply
19,686,636.24x = 29,531,373.28 × 7,556,099.70 - Step 4: Simplify right side
19,686,636.24x = 223,142,000,781,596.03 - Step 5: Solve for x
x = 223,142,000,781,596.03/19,686,636.24 - Step 6: Final answer
x = 11,334,694.16
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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.