Finding the Fourth Proportional to 26,471,473.60, 39,714,122.40 and 8,521,009.60
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Solution
The fourth proportional to 26,471,473.60, 39,714,122.40 and 8,521,009.60 is: 12,783,739.33
Step by Step Solution
- Step 1: Write the proportion equation
26,471,473.60 : 39,714,122.40 = 8,521,009.60 : x - Step 2: Convert to fraction form
26,471,473.60/39,714,122.40 = 8,521,009.60/x - Step 3: Cross multiply
26,471,473.60x = 39,714,122.40 × 8,521,009.60 - Step 4: Simplify right side
26,471,473.60x = 338,404,418,225,975 - Step 5: Solve for x
x = 338,404,418,225,975/26,471,473.60 - Step 6: Final answer
x = 12,783,739.33
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.