Finding the Fourth Proportional to 34,208,272.58, 47,189,518.50 and 21,151,357.70
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Solution
The fourth proportional to 34,208,272.58, 47,189,518.50 and 21,151,357.70 is: 29,177,807.30
Step by Step Solution
- Step 1: Write the proportion equation
34,208,272.58 : 47,189,518.50 = 21,151,357.70 : x - Step 2: Convert to fraction form
34,208,272.58/47,189,518.50 = 21,151,357.70/x - Step 3: Cross multiply
34,208,272.58x = 47,189,518.50 × 21,151,357.70 - Step 4: Simplify right side
34,208,272.58x = 998,122,385,484,267.38 - Step 5: Solve for x
x = 998,122,385,484,267.38/34,208,272.58 - Step 6: Final answer
x = 29,177,807.30
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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.