Finding the Fourth Proportional to 51,475,377.30, 71,035,745.84 and 27,953,708.40
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Solution
The fourth proportional to 51,475,377.30, 71,035,745.84 and 27,953,708.40 is: 38,575,968.34
Step by Step Solution
- Step 1: Write the proportion equation
51,475,377.30 : 71,035,745.84 = 27,953,708.40 : x - Step 2: Convert to fraction form
51,475,377.30/71,035,745.84 = 27,953,708.40/x - Step 3: Cross multiply
51,475,377.30x = 71,035,745.84 × 27,953,708.40 - Step 4: Simplify right side
51,475,377.30x = 1,985,712,525,187,873 - Step 5: Solve for x
x = 1,985,712,525,187,873/51,475,377.30 - Step 6: Final answer
x = 38,575,968.34
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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.