Finding the Fourth Proportional to 14,294,481.16, 19,726,576.14 and 7,768,239.88
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Solution
The fourth proportional to 14,294,481.16, 19,726,576.14 and 7,768,239.88 is: 10,720,275.45
Step by Step Solution
- Step 1: Write the proportion equation
14,294,481.16 : 19,726,576.14 = 7,768,239.88 : x - Step 2: Convert to fraction form
14,294,481.16/19,726,576.14 = 7,768,239.88/x - Step 3: Cross multiply
14,294,481.16x = 19,726,576.14 × 7,768,239.88 - Step 4: Simplify right side
14,294,481.16x = 153,240,775,466,604.47 - Step 5: Solve for x
x = 153,240,775,466,604.47/14,294,481.16 - Step 6: Final answer
x = 10,720,275.45
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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.