Finding the Fourth Proportional to 43,673,460.36, 65,507,828.58 and 13,381,410.84
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Solution
The fourth proportional to 43,673,460.36, 65,507,828.58 and 13,381,410.84 is: 20,071,392.56
Step by Step Solution
- Step 1: Write the proportion equation
43,673,460.36 : 65,507,828.58 = 13,381,410.84 : x - Step 2: Convert to fraction form
43,673,460.36/65,507,828.58 = 13,381,410.84/x - Step 3: Cross multiply
43,673,460.36x = 65,507,828.58 × 13,381,410.84 - Step 4: Simplify right side
43,673,460.36x = 876,587,167,465,273.75 - Step 5: Solve for x
x = 876,587,167,465,273.75/43,673,460.36 - Step 6: Final answer
x = 20,071,392.56
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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.