Finding the Fourth Proportional to 18,032,283.54, 24,885,153.09 and 9,883,542.42
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Solution
The fourth proportional to 18,032,283.54, 24,885,153.09 and 9,883,542.42 is: 13,639,618.39
Step by Step Solution
- Step 1: Write the proportion equation
18,032,283.54 : 24,885,153.09 = 9,883,542.42 : x - Step 2: Convert to fraction form
18,032,283.54/24,885,153.09 = 9,883,542.42/x - Step 3: Cross multiply
18,032,283.54x = 24,885,153.09 × 9,883,542.42 - Step 4: Simplify right side
18,032,283.54x = 245,953,466,193,209.06 - Step 5: Solve for x
x = 245,953,466,193,209.06/18,032,283.54 - Step 6: Final answer
x = 13,639,618.39
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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.