Finding the Fourth Proportional to 15,106,976.08, 22,667,162.11 and 7,916,800.48
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Solution
The fourth proportional to 15,106,976.08, 22,667,162.11 and 7,916,800.48 is: 11,878,710.79
Step by Step Solution
- Step 1: Write the proportion equation
15,106,976.08 : 22,667,162.11 = 7,916,800.48 : x - Step 2: Convert to fraction form
15,106,976.08/22,667,162.11 = 7,916,800.48/x - Step 3: Cross multiply
15,106,976.08x = 22,667,162.11 × 7,916,800.48 - Step 4: Simplify right side
15,106,976.08x = 179,451,399,796,225.91 - Step 5: Solve for x
x = 179,451,399,796,225.91/15,106,976.08 - Step 6: Final answer
x = 11,878,710.79
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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.