Finding the Fourth Proportional to 8,873,918.83, 13,312,350.56 and 3,115,159.66
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Solution
The fourth proportional to 8,873,918.83, 13,312,350.56 and 3,115,159.66 is: 4,673,256.34
Step by Step Solution
- Step 1: Write the proportion equation
8,873,918.83 : 13,312,350.56 = 3,115,159.66 : x - Step 2: Convert to fraction form
8,873,918.83/13,312,350.56 = 3,115,159.66/x - Step 3: Cross multiply
8,873,918.83x = 13,312,350.56 × 3,115,159.66 - Step 4: Simplify right side
8,873,918.83x = 41,470,097,444,290.41 - Step 5: Solve for x
x = 41,470,097,444,290.41/8,873,918.83 - Step 6: Final answer
x = 4,673,256.34
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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.