Finding the Fourth Proportional to 34,258,836.99, 47,280,185.24 and 18,791,910.99
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Solution
The fourth proportional to 34,258,836.99, 47,280,185.24 and 18,791,910.99 is: 25,934,477.37
Step by Step Solution
- Step 1: Write the proportion equation
34,258,836.99 : 47,280,185.24 = 18,791,910.99 : x - Step 2: Convert to fraction form
34,258,836.99/47,280,185.24 = 18,791,910.99/x - Step 3: Cross multiply
34,258,836.99x = 47,280,185.24 × 18,791,910.99 - Step 4: Simplify right side
34,258,836.99x = 888,485,032,526,832.12 - Step 5: Solve for x
x = 888,485,032,526,832.12/34,258,836.99 - Step 6: Final answer
x = 25,934,477.37
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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.