Finding the Fourth Proportional to 8,721,064.13, 13,084,345.53 and 4,109,864.09
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Solution
The fourth proportional to 8,721,064.13, 13,084,345.53 and 4,109,864.09 is: 6,166,091.77
Step by Step Solution
- Step 1: Write the proportion equation
8,721,064.13 : 13,084,345.53 = 4,109,864.09 : x - Step 2: Convert to fraction form
8,721,064.13/13,084,345.53 = 4,109,864.09/x - Step 3: Cross multiply
8,721,064.13x = 13,084,345.53 × 4,109,864.09 - Step 4: Simplify right side
8,721,064.13x = 53,774,881,769,477.29 - Step 5: Solve for x
x = 53,774,881,769,477.29/8,721,064.13 - Step 6: Final answer
x = 6,166,091.77
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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.