Finding the Fourth Proportional to 26,394,956.21, 39,615,228.15 and 18,313,606.94
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Solution
The fourth proportional to 26,394,956.21, 39,615,228.15 and 18,313,606.94 is: 27,486,225.45
Step by Step Solution
- Step 1: Write the proportion equation
26,394,956.21 : 39,615,228.15 = 18,313,606.94 : x - Step 2: Convert to fraction form
26,394,956.21/39,615,228.15 = 18,313,606.94/x - Step 3: Cross multiply
26,394,956.21x = 39,615,228.15 × 18,313,606.94 - Step 4: Simplify right side
26,394,956.21x = 725,497,717,177,523.38 - Step 5: Solve for x
x = 725,497,717,177,523.38/26,394,956.21 - Step 6: Final answer
x = 27,486,225.45
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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.