Finding the Fourth Proportional to 34,363,605.88, 47,422,673.94 and 18,683,684.92
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Solution
The fourth proportional to 34,363,605.88, 47,422,673.94 and 18,683,684.92 is: 25,783,973.34
Step by Step Solution
- Step 1: Write the proportion equation
34,363,605.88 : 47,422,673.94 = 18,683,684.92 : x - Step 2: Convert to fraction form
34,363,605.88/47,422,673.94 = 18,683,684.92/x - Step 3: Cross multiply
34,363,605.88x = 47,422,673.94 × 18,683,684.92 - Step 4: Simplify right side
34,363,605.88x = 886,030,297,958,855 - Step 5: Solve for x
x = 886,030,297,958,855/34,363,605.88 - Step 6: Final answer
x = 25,783,973.34
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1.5x scale
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.