Finding the Fourth Proportional to 8,873,979.66, 13,275,946.51 and 6,721,206.21
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Solution
The fourth proportional to 8,873,979.66, 13,275,946.51 and 6,721,206.21 is: 10,055,282.69
Step by Step Solution
- Step 1: Write the proportion equation
8,873,979.66 : 13,275,946.51 = 6,721,206.21 : x - Step 2: Convert to fraction form
8,873,979.66/13,275,946.51 = 6,721,206.21/x - Step 3: Cross multiply
8,873,979.66x = 13,275,946.51 × 6,721,206.21 - Step 4: Simplify right side
8,873,979.66x = 89,230,374,109,836.81 - Step 5: Solve for x
x = 89,230,374,109,836.81/8,873,979.66 - Step 6: Final answer
x = 10,055,282.69
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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.